<SEC-DOCUMENT>0001558370-24-008686.txt : 20240528
<SEC-HEADER>0001558370-24-008686.hdr.sgml : 20240528
<ACCEPTANCE-DATETIME>20240528165807
ACCESSION NUMBER:		0001558370-24-008686
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20240523
ITEM INFORMATION:		Submission of Matters to a Vote of Security Holders
FILED AS OF DATE:		20240528
DATE AS OF CHANGE:		20240528

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DoubleVerify Holdings, Inc.
		CENTRAL INDEX KEY:			0001819928
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				822714562
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40349
		FILM NUMBER:		24992779

	BUSINESS ADDRESS:	
		STREET 1:		462 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10013
		BUSINESS PHONE:		212-631-2111

	MAIL ADDRESS:	
		STREET 1:		462 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10013
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>dv-20240523x8k.htm
<DESCRIPTION>8-K
<TEXT>
<XBRL>
<?xml version='1.0' encoding='ASCII'?>
<!-- iXBRL document created with: Toppan Merrill Bridge iXBRL 10.6.2.5 -->
<!-- Based on: iXBRL 1.1 -->
<!-- Created on: 5/28/2024 8:04:45 PM -->
<!-- iXBRL Library version: 1.0.8826.24652 -->
<!-- iXBRL Service Job ID: e3b80747-859f-4c5e-bc4b-c503cd70d30c -->
<html xmlns:dei="http://xbrl.sec.gov/dei/2023" xmlns="http://www.w3.org/1999/xhtml" xmlns:dvh="http://www.doubleverify.com/20240523" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrli="http://www.xbrl.org/2003/instance"><head><meta http-equiv="content-type" content="text/html"/><title></title></head><body><div style="margin-top:30pt;"></div><div style="display:none;"><ix:header><ix:hidden><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:EntityCentralIndexKey" id="Tc_61P0kMHB406dP2ECp0BnAQ_2_1">0001819928</ix:nonNumeric><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:AmendmentFlag" id="Tc_nkozUot1v0WLuKiR1crRuQ_4_1">false</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:href="dv-20240523.xsd" xlink:type="simple"/></ix:references><ix:resources><xbrli:context id="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001819928</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2024-05-23</xbrli:startDate><xbrli:endDate>2024-05-23</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div><div style="max-width:100%;padding-left:4.47%;padding-right:4.47%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><a id="_b46b6616_36e4_4396_9b29_44d7176b37e2"></a><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt;"><b style="font-size:18pt;font-weight:bold;">UNITED STATES</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt;"><b style="font-size:18pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt 0pt 12pt 0pt;"><b style="font-size:14pt;font-weight:bold;">Washington, D.C. 20549</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:18pt;text-align:center;text-indent:0pt;margin:0pt 0pt 12pt 0pt;"><b style="font-weight:bold;">FORM&#160;</b><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:DocumentType" id="Narr_TKgi14dqvEuvB9e7zoKykQ"><b style="font-weight:bold;">8-K</b></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt 0pt 6pt 0pt;"><b style="font-size:14pt;font-weight:bold;">CURRENT REPORT</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt 0pt 6pt 0pt;">Pursuant to Section&#160;13 or 15(d)&#160;of<br/>the Securities Exchange Act of 1934</p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt 0pt 12pt 0pt;">Date of Report (Date of earliest event reported):May 28, 2024 (<ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" format="ixt:datemonthdayyearen" name="dei:DocumentPeriodEndDate" id="Narr_mWrMh3lyk0ip6NryscTXfw">May 23, 2024</ix:nonNumeric>)</p><p style="font-family:'Times New Roman','Times','serif';font-size:18pt;text-align:center;text-indent:0pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:EntityRegistrantName" id="Narr_tuDHYbe3akG-l7DOS1Kptw"><b style="font-weight:bold;">DoubleVerify Holdings,&#160;Inc.</b></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt;">(Exact name of registrant as specified in its charter)</p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt;"><span style="font-size:10pt;margin-bottom:12pt;visibility:hidden;">&#8203;</span></p><a id="_918efe75_1320_499e_a08a_12059bd9e713"></a><a id="Tc_2-_kdRVYEkKsAbP0PgFnSQ_2_0"></a><a id="Tc_Hjc7BdmrDkaShk8IGdxYjg_2_2"></a><a id="Tc_hTs1LQZn3EWcEauAPk6G6w_2_4"></a><table style="border-collapse:collapse;font-size:16pt;height:max-content;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:bottom;width:31.89%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:bottom;width:2.16%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:bottom;width:31.9%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:bottom;width:2.16%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:bottom;width:31.87%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td></tr><tr><td style="vertical-align:bottom;width:31.89%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" format="ixt-sec:stateprovnameen" name="dei:EntityIncorporationStateCountryCode" id="Tc_wa25XHo2xUu0sy7OHxhf9A_1_0"><b style="font-weight:bold;">Delaware</b></ix:nonNumeric></p></td><td style="vertical-align:bottom;width:2.16%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-indent:0pt;margin:0pt;"><span style="font-size:12pt;">&#160;&#160;&#160;&#160;</span></p></td><td style="vertical-align:bottom;width:31.9%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:EntityFileNumber" id="Tc_A3jaP1pYg0y0lMJ4TsqRBw_1_2"><b style="font-weight:bold;">001-40349</b></ix:nonNumeric></p></td><td style="vertical-align:bottom;width:2.16%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-indent:0pt;margin:0pt;"><span style="font-size:12pt;">&#160;&#160;&#160;&#160;</span></p></td><td style="vertical-align:bottom;width:31.87%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:EntityTaxIdentificationNumber" id="Tc_ZfMxiTGQfk6l_SrZhhKWhA_1_4"><b style="font-weight:bold;">82-2714562</b></ix:nonNumeric></p></td></tr><tr><td style="vertical-align:top;width:31.89%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;">(State or other jurisdiction of incorporation)</p></td><td style="vertical-align:top;width:2.16%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;"><span style="margin-bottom:12pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:31.9%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;">(Commission File Number)</p></td><td style="vertical-align:top;width:2.16%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;"><span style="margin-bottom:12pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:31.87%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;">(IRS Employer Identification No.)</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><a id="_71c61d51_b3ce_4fd0_9635_9289e654281b"></a><a id="Tc_PwUfHtrzekCGvSpvq3KYhg_2_0"></a><a id="Tc_pdliYDDcVk6ljWB5dreiXg_3_0"></a><a id="Tc_IhC_5cPbL0yY9TreO3Swog_3_2"></a><table style="border-collapse:collapse;font-size:16pt;height:max-content;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:bottom;width:48.73%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"></div></div></td><td style="vertical-align:bottom;width:2.52%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"></div></div></td><td style="vertical-align:bottom;width:48.74%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"></div></div></td></tr><tr><td style="vertical-align:bottom;width:48.73%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:EntityAddressAddressLine1" id="Tc_YSbyxuNBckKHSBV6MVVFRw_1_0"><b style="font-weight:bold;">462 Broadway</b></ix:nonNumeric></p></td><td style="vertical-align:bottom;width:2.52%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-indent:0pt;margin:0pt;"><span style="font-size:12pt;">&#160;&#160;&#160;&#160;</span></p></td><td style="vertical-align:bottom;width:48.74%;margin:0pt;padding:0pt;"/></tr><tr><td style="vertical-align:bottom;width:48.73%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:EntityAddressCityOrTown" id="Narr_YVWg30V4fEGuBOws5xPk6A"><b style="font-weight:bold;">New York</b></ix:nonNumeric><b style="font-weight:bold;">, </b><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" format="ixt-sec:stateprovnameen" name="dei:EntityAddressStateOrProvince" id="Narr_TWAQK7V8dkWZU62ExqPXqA"><b style="font-weight:bold;">New York</b></ix:nonNumeric></p></td><td style="vertical-align:bottom;width:2.52%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-indent:0pt;margin:0pt;"><span style="font-size:12pt;margin-bottom:12pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:bottom;width:48.74%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.27;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:EntityAddressPostalZipCode" id="Tc_zqQyUfiNNUOpQ0zpzGSlCg_2_2"><b style="font-weight:bold;">10013</b></ix:nonNumeric></p></td></tr><tr><td style="vertical-align:bottom;width:48.73%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;">(Address of principal executive offices)</p></td><td style="vertical-align:bottom;width:2.52%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-indent:0pt;margin:0pt;"><span style="margin-bottom:12pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:bottom;width:48.74%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;text-align:center;text-indent:0pt;margin:0pt;">(Zip Code)</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt;"><b style="font-size:10pt;font-weight:bold;">(</b><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:CityAreaCode" id="Narr_bSbszQ8QdUme4rA6UQsBYg"><b style="font-size:10pt;font-weight:bold;">212</b></ix:nonNumeric><b style="font-size:10pt;font-weight:bold;">) </b><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:LocalPhoneNumber" id="Narr_1jzw80jQXUqAVBJ66T3WLQ"><b style="font-size:10pt;font-weight:bold;">631-2111</b></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;text-indent:0pt;margin:0pt 0pt 10pt 0pt;">(Registrant&#8217;s telephone number, including area code)</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;text-indent:0pt;margin:0pt;"><b style="font-weight:bold;">N/A</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;text-indent:0pt;margin:0pt 0pt 5pt 0pt;">(Former name or former address, if changed since last report)</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:0pt;margin:0pt 0pt 5pt 0pt;">Check the appropriate box below if the Form&#160;8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt 0pt 5pt 0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" format="ixt-sec:boolballotbox" name="dei:WrittenCommunications" id="Narr_YgI6TyuHjEuy4hCOcWlzhw"><span style="font-family:'Segoe UI Symbol';font-size:10pt;">&#9744;</span></ix:nonNumeric><span style="font-size:10pt;"> Written communications pursuant to Rule&#160;425 under the Securities Act (17 CFR 230.425)</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt 0pt 5pt 0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" format="ixt-sec:boolballotbox" name="dei:SolicitingMaterial" id="Narr_XEEcastmn0CRJXNFLYmnaQ"><span style="font-family:'Segoe UI Symbol';font-size:10pt;">&#9744;</span></ix:nonNumeric><span style="font-family:'Segoe UI Symbol';font-size:10pt;"> </span><span style="font-size:10pt;">Soliciting material pursuant to Rule&#160;14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt 0pt 5pt 0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" format="ixt-sec:boolballotbox" name="dei:PreCommencementTenderOffer" id="Narr_x7Sanvxax0KvVnBAjf0RHg"><span style="font-family:'Segoe UI Symbol';font-size:10pt;">&#9744;</span></ix:nonNumeric><span style="font-size:10pt;"> Pre-commencement communications pursuant to Rule&#160;14d-2(b)&#160;under the Exchange Act (17 CFR 240.14d-2(b))</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt 0pt 5pt 0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" format="ixt-sec:boolballotbox" name="dei:PreCommencementIssuerTenderOffer" id="Narr__85ECpvSKUWpnt-3kxe3YA"><span style="font-family:'Segoe UI Symbol';font-size:10pt;">&#9744;</span></ix:nonNumeric><span style="font-size:10pt;"> Pre-commencement communications pursuant to Rule&#160;13e-4(c)&#160;under the Exchange Act (17 CFR 240.13e-4(c))</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:0pt;margin:0pt 0pt 8pt 0pt;">Securities registered pursuant to Section&#160;12(b)&#160;of the Act:</p><a id="_782dcf73_93c3_4cef_b340_1db39089a498"></a><a id="Tc_u4gxkkvfy0ioGkhsDw1I8A_1_0"></a><a id="Tc_KWDCH9jj7UCZwixjFwNKdQ_1_1"></a><a id="Tc_6Zi5UsKGP0uh6vZKIuqgJA_1_2"></a><table style="border-collapse:collapse;font-size:16pt;height:max-content;width:100%;"><tr style="height:1pt;"><td style="vertical-align:top;width:40.79%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:15.76%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:43.44%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td></tr><tr><td style="vertical-align:top;width:40.79%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;text-indent:0pt;margin:0pt;"><b style="font-weight:bold;text-decoration-color:#000000;text-decoration-line:underline;text-decoration-style:solid;">Title of Class</b></p></td><td style="vertical-align:top;width:15.76%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;text-indent:0pt;margin:0pt;"><b style="font-weight:bold;text-decoration-color:#000000;text-decoration-line:underline;text-decoration-style:solid;">Trading Symbol</b></p></td><td style="vertical-align:top;width:43.44%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:8pt;text-align:center;text-indent:0pt;margin:0pt;"><b style="font-weight:bold;text-decoration-color:#000000;text-decoration-line:underline;text-decoration-style:solid;">Name of Each Exchange on Which Registered</b></p></td></tr><tr><td style="vertical-align:top;width:40.79%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:Security12bTitle" id="Tc_ChfX7tuJtUidUINYQVxh0g_2_0"><span style="font-size:10pt;">Common stock, par value $0.001 per share</span></ix:nonNumeric></p></td><td style="vertical-align:top;width:15.76%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" name="dei:TradingSymbol" id="Tc_2BvBchSry0Gq0uu3bC0s9Q_2_1"><span style="font-size:10pt;">DV</span></ix:nonNumeric></p></td><td style="vertical-align:top;width:43.44%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-align:center;text-indent:0pt;margin:0pt;"><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="Tc_94KfUba_8k6hvDJo8gmVwg_2_2"><span style="font-size:10pt;">New York Stock Exchange</span></ix:nonNumeric></p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="font-size:8pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:0pt;margin:0pt 0pt 5pt 0pt;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule&#160;405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule&#160;12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt 0pt 6pt 0pt;"><span style="font-size:10pt;">Emerging growth company&#160;</span><ix:nonNumeric contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw" format="ixt-sec:boolballotbox" name="dei:EntityEmergingGrowthCompany" id="Narr_53CYpO-sUkeuoisz35izBQ"><span style="font-family:'Segoe UI Symbol';font-size:10pt;">&#9744;</span></ix:nonNumeric></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:0pt;margin:0pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&#160;13(a)&#160;of the Exchange Act.<span style="font-size:11pt;">&#160;</span><span style="font-family:'Segoe UI Symbol';">&#9744;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="display:none;font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:0pt;margin:0pt;"><span style="font-size:0pt;visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:91.06%;border:0;margin:30pt 4.47% 30pt 4.47%;"></div><div style="max-width:100%;padding-left:4.47%;padding-right:4.47%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><a id="_819517e4_910c_422a_9c34_5243ebb26ecc"></a><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;margin:0pt 0pt 12pt 0pt;">Item 5.07. Submission of Matter to a Vote of Security Holders.</p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:36pt;margin:0pt;">On May 23, 2024, DoubleVerify Holdings, Inc. (the &#8220;Company&#8221;) held its 2024 Annual Meeting of Stockholders (the &#8220;Annual Meeting&#8221;). The proposals considered at the Annual Meeting are more fully described in the Company&#8217;s definitive proxy statement on Schedule 14A filed with the Securities and Exchange Commission on April 10, 2024. The final voting results for each of the proposals submitted to a vote of the stockholders are set forth below. </p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:36pt;margin:0pt;"><b style="font-weight:bold;">Proposal 1.</b> The stockholders elected all of the nominees for election as Class III directors for a three-year term ending at the 2027 Annual Meeting of Stockholders, by the following vote:</p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt;"><span style="margin-bottom:12pt;visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;height:max-content;width:99.91%;"><tr style="height:1pt;"><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td></tr><tr><td style="vertical-align:top;width:25%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;text-align:center;margin:0pt;"><b style="font-weight:bold;">Name of Directors Elected</b></p></td><td style="vertical-align:top;width:25%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">For</b></p></td><td style="vertical-align:top;width:25%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Withheld</b></p></td><td style="vertical-align:top;width:25%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Broker Non-Vote</b></p></td></tr><tr><td style="vertical-align:top;width:25%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;margin:0pt;">Sundeep Jain</p></td><td style="vertical-align:top;width:25%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">152,333,209</p></td><td style="vertical-align:top;width:25%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">1,177,302</p></td><td style="vertical-align:top;width:25%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">10,368,877</p></td></tr><tr><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;margin:0pt;">Kelli Turner</p></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">152,336,742</p></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">1,173,769</p></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">10,368,877</p></td></tr><tr><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;margin:0pt;">Scott Wagner</p></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">127,179,675</p></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">26,330,836</p></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">10,368,877</p></td></tr><tr><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;margin:0pt;">Mark Zagorski</p></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">152,173,578</p></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">1,336,933</p></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">10,368,877</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:36pt;margin:0pt;"><b style="font-weight:bold;">Proposal 2.</b> The stockholders elected to approve, on a non-binding advisory basis, the compensation of the Company&#8217;s named executive officers, by the following vote:</p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt;"><span style="margin-bottom:12pt;visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;height:max-content;width:99.91%;"><tr style="height:1pt;"><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td></tr><tr><td style="vertical-align:top;width:25%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;text-align:center;margin:0pt;"><b style="font-weight:bold;">For</b></p></td><td style="vertical-align:top;width:25%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Against</b></p></td><td style="vertical-align:top;width:25%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Abstain</b></p></td><td style="vertical-align:top;width:25%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;"><b style="font-weight:bold;">Broker Non-Vote</b></p></td></tr><tr><td style="vertical-align:top;width:25%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;text-align:center;margin:0pt;">143,464,234</p></td><td style="vertical-align:top;width:25%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">9,700,504</p></td><td style="vertical-align:top;width:25%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">345,773</p></td><td style="vertical-align:top;width:25%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;text-align:center;margin:0pt;">10,368,877</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:36pt;margin:0pt;"><b style="font-weight:bold;">Proposal 3.</b> The stockholders ratified the appointment of Deloitte &amp; Touche LLP as the Company&#8217;s independent registered public accounting firm for the fiscal year ending December 31, 2024, by the following vote:</p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt;"><span style="margin-bottom:12pt;visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;height:max-content;width:76.52%;"><tr style="height:1pt;"><td style="vertical-align:top;width:32.43%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:33.55%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td></tr><tr style="height:7.85pt;"><td style="vertical-align:top;width:32.43%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;text-align:center;margin:0pt;"><b style="font-weight:bold;">For</b></p></td><td style="vertical-align:top;width:34%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;text-align:center;margin:0pt;"><b style="font-weight:bold;">Against</b></p></td><td style="vertical-align:top;width:33.55%;border-bottom:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;text-align:center;margin:0pt;"><b style="font-weight:bold;">Abstain</b></p></td></tr><tr style="height:17.15pt;"><td style="vertical-align:top;width:32.43%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;text-align:center;margin:0pt;">161,290,862</p></td><td style="vertical-align:top;width:34%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;text-align:center;margin:0pt;">2,575,850</p></td><td style="vertical-align:top;width:33.55%;border-top:1px solid #000000;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:9pt;line-height:1.79;text-align:center;margin:0pt;">12,676</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt;"><span style="font-size:1pt;margin-bottom:12pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt;"><span style="margin-bottom:12pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:91.06%;border:0;margin:30pt 4.47% 30pt 4.47%;"></div><div style="max-width:100%;padding-left:4.47%;padding-right:4.47%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><a id="_00e2d4ea_d13c_4198_8274_f527dac59e65"></a><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;text-align:center;margin:0pt 0pt 12pt 0pt;">SIGNATURES</p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</p><table style="border-collapse:collapse;font-size:16pt;height:max-content;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:top;width:50.01%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:3.59%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:6.98%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:39.4%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td></tr><tr style="height:14.5pt;"><td style="vertical-align:top;width:50.01%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;">Date: May 28, 2024</p></td><td colspan="3" style="vertical-align:top;width:49.98%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;">DOUBLEVERIFY HOLDINGS,&#160;INC.</p></td></tr><tr><td style="vertical-align:top;width:50.01%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td colspan="3" style="vertical-align:top;width:49.98%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td></tr><tr><td style="vertical-align:top;width:50.01%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td colspan="3" style="vertical-align:top;width:49.98%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td></tr><tr><td style="vertical-align:top;width:50.01%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td colspan="3" style="vertical-align:top;width:49.98%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td></tr><tr><td style="vertical-align:top;width:50.01%;margin:0pt;padding:0pt;"/><td style="vertical-align:top;width:3.59%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;">By:</p></td><td colspan="2" style="vertical-align:top;width:46.38%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="white-space:pre-wrap;"> /s/ Andrew E. Grimmig</span></p></td></tr><tr><td style="vertical-align:top;width:50.01%;margin:0pt;padding:0pt;"/><td style="vertical-align:top;width:3.59%;margin:0pt;padding:0pt;"/><td style="vertical-align:top;width:6.98%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;">Name:</p></td><td style="vertical-align:top;width:39.4%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;">Andrew E. Grimmig</p></td></tr><tr><td style="vertical-align:top;width:50.01%;margin:0pt;padding:0pt;"/><td style="vertical-align:top;width:3.59%;margin:0pt;padding:0pt;"/><td style="vertical-align:top;width:6.98%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;">Title:</p></td><td style="vertical-align:top;width:39.4%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;">Chief Legal Officer and Secretary</p></td></tr><tr><td style="vertical-align:top;width:50.01%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;text-indent:0pt;margin:0pt;"><span style="margin-bottom:12pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:3.59%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:6.98%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:39.4%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:11pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;margin-left:4.47%;margin-right:4.47%;margin-top:30pt;page-break-after:avoid;width:91.06%;border:0;"></div></body></html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>dv-20240523.xsd
<DESCRIPTION>EX-101.SCH
<TEXT>
<XBRL>
<?xml version="1.0" encoding="utf-8"?>
<!--XBRL document created with Toppan Merrill Bridge  10.6.2.5 -->
<!--Based on XBRL 2.1-->
<!--Created on: 5/28/2024 8:04:50 PM-->
<!--Modified on: 5/28/2024 8:04:50 PM-->
<xsd:schema targetNamespace="http://www.doubleverify.com/20240523" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:dei="http://xbrl.sec.gov/dei/2023" xmlns:us-gaap="http://fasb.org/us-gaap/2023" xmlns:srt-types="http://fasb.org/srt-types/2023" xmlns:us-roles="http://fasb.org/us-roles/2023" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:currency="http://xbrl.sec.gov/currency/2023" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:naics="http://xbrl.sec.gov/naics/2023" xmlns:srt-roles="http://fasb.org/srt-roles/2023" xmlns:country="http://xbrl.sec.gov/country/2023" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:srt="http://fasb.org/srt/2023" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:exch="http://xbrl.sec.gov/exch/2023" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sic="http://xbrl.sec.gov/sic/2023" xmlns:us-types="http://fasb.org/us-types/2023" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:stpr="http://xbrl.sec.gov/stpr/2023" xmlns:attributeFormDefault="unqualified" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:deprecated="http://www.xbrl.org/2009/role/deprecated" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:dvh="http://www.doubleverify.com/20240523">
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType roleURI="http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation" id="DocumentDocumentAndEntityInformation">
        <link:definition>00090 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.doubleverify.com/role/DisclosureStandardAndCustomAxisDomainDefaults" id="DisclosureStandardAndCustomAxisDomainDefaults">
        <link:definition>99900 - Disclosure - Standard And Custom Axis Domain Defaults</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="dv-20240523_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="dv-20240523_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="dv-20240523_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd" />
</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>3
<FILENAME>dv-20240523_def.xml
<DESCRIPTION>EX-101.DEF
<TEXT>
<XBRL>
<?xml version="1.0" encoding="utf-8"?>
<!--XBRL document created with Toppan Merrill Bridge  10.6.2.5 -->
<!--Based on XBRL 2.1-->
<!--Created on: 5/28/2024 8:04:50 PM-->
<!--Modified on: 5/28/2024 8:04:50 PM-->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <link:arcroleRef arcroleURI="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd#wider-narrower" />
  <link:roleRef roleURI="http://www.doubleverify.com/role/DisclosureStandardAndCustomAxisDomainDefaults" xlink:href="dv-20240523.xsd#DisclosureStandardAndCustomAxisDomainDefaults" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" />
  <link:definitionLink xlink:role="http://www.doubleverify.com/role/DisclosureStandardAndCustomAxisDomainDefaults" xlink:type="extended" xlink:title="99900 - Disclosure - Standard And Custom Axis Domain Defaults">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis_1" xlink:title="dei_LegalEntityAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain_1" xlink:title="dei_EntityDomain_1" />
    <link:definitionArc xlink:type="arc" xlink:from="dei_LegalEntityAxis_1" xlink:to="dei_EntityDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:dei_LegalEntityAxis_1 To dei_EntityDomain_1" order="1" />
  </link:definitionLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>dv-20240523_lab.xml
<DESCRIPTION>EX-101.LAB
<TEXT>
<XBRL>
<?xml version="1.0" encoding="utf-8"?>
<!--XBRL document created with Toppan Merrill Bridge  10.6.2.5 -->
<!--Based on XBRL 2.1-->
<!--Created on: 5/28/2024 8:04:50 PM-->
<!--Modified on: 5/28/2024 8:04:50 PM-->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink">
  <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CoverAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Document and Entity Information [Abstract]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentInformationTable" xlink:label="dei_DocumentInformationTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationTable" xlink:to="dei_DocumentInformationTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentInformationTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Document Information [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentInformationLineItems" xlink:label="dei_DocumentInformationLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentInformationLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentInformationLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Document Information [Line Items]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType" xlink:label="dei_DocumentType" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentType_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Document Type</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Document Period End Date</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFileNumber_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity File Number</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity Registrant Name</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity Incorporation, State or Country Code</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity Tax Identification Number</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressAddressLine1_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity Address, Address Line One</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressCityOrTown_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity Address, City or Town</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressStateOrProvince_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity Address, State or Province</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressPostalZipCode_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity Address, Postal Zip Code</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CityAreaCode_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">City Area Code</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LocalPhoneNumber_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Local Phone Number</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_WrittenCommunications_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Written Communications</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_SolicitingMaterial_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Soliciting Material</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_PreCommencementTenderOffer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pre-commencement Tender Offer</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Pre-commencement Issuer Tender Offer</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_Security12bTitle_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Title of 12(b) Security</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trading Symbol</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_SecurityExchangeName_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Security Exchange Name</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity Emerging Growth Company</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entity Central Index Key</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amendment Flag</label>
  </link:labelLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>5
<FILENAME>dv-20240523_pre.xml
<DESCRIPTION>EX-101.PRE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="utf-8"?>
<!--XBRL document created with Toppan Merrill Bridge  10.6.2.5 -->
<!--Based on XBRL 2.1-->
<!--Created on: 5/28/2024 8:04:50 PM-->
<!--Modified on: 5/28/2024 8:04:50 PM-->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <roleRef xlink:type="simple" xlink:href="dv-20240523.xsd#DocumentDocumentAndEntityInformation" roleURI="http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation" xmlns="http://www.xbrl.org/2003/linkbase" />
  <presentationLink xlink:role="http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation" xlink:type="extended" xlink:title="00090 - Document - Document and Entity Information" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CoverAbstract" xlink:label="CoverAbstract" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType" xlink:label="dei_DocumentType_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_DocumentType_638525234901667174" order="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_DocumentPeriodEndDate_638525234901667174" order="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityFileNumber_638525234901667174" order="3" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityRegistrantName_638525234901667174" order="4" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityIncorporationStateCountryCode_638525234901667174" order="5" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityTaxIdentificationNumber_638525234901667174" order="6" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityAddressAddressLine1_638525234901667174" order="7" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityAddressCityOrTown_638525234901667174" order="8" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityAddressStateOrProvince_638525234901667174" order="9" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityAddressPostalZipCode_638525234901667174" order="10" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_CityAreaCode_638525234901667174" order="11" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_LocalPhoneNumber_638525234901667174" order="12" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications_638525234901667174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_WrittenCommunications_638525234901667174" order="13" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial_638525234901677142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_SolicitingMaterial_638525234901677142" order="14" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer_638525234901677142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_PreCommencementTenderOffer_638525234901677142" order="15" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer_638525234901677142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_PreCommencementIssuerTenderOffer_638525234901677142" order="16" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle_638525234901677142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_Security12bTitle_638525234901677142" order="17" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol_638525234901677142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_TradingSymbol_638525234901677142" order="18" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName_638525234901677142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_SecurityExchangeName_638525234901677142" order="19" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany_638525234901677142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityEmergingGrowthCompany_638525234901677142" order="20" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey_638525234901677142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_EntityCentralIndexKey_638525234901677142" order="21" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag_638525234901677142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CoverAbstract" xlink:to="dei_AmendmentFlag_638525234901677142" order="22" use="optional" />
  </presentationLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>7
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.24.1.1.u2</span><table class="report" border="0" cellspacing="2" id="idm140069309884384">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Document and Entity Information<br></strong></div></th>
<th class="th"><div>May 23, 2024</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Document and Entity Information [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">May 23,  2024<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-40349<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">DoubleVerify Holdings,&#160;Inc.<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">82-2714562<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">462 Broadway<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">New York<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">NY<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">10013<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">212<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">631-2111<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common stock, par value $0.001 per share<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">DV<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001819928<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_WrittenCommunications</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>8
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 Financial_Report.xlsx
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M=]W3CHG&K=!X#;[Q3X?#KHG&J]!TZVDF)_VN:Z3I%FA"1N/K>A(5M>5 TR
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M!Z.:60F]A%9JGZJ'-#ZH'C(*!?&Y'C[E>G@*-Y;&O%"N@GL!_]':-\*K^(+
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MU4#E/]O4#6CV#30<D05>,9FV-J/D3@H\W/[O#;#"Q([A[8N_ 5!+ P04
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MU\7!ZQ^4ZD2HN7/08&<B+EA0BJN$7/D=<.I[.T!*1D.QD8E>I6.5Z*U .EK
M>MKBRAE#VQH%.JB]XY8:8P*IL0,@9^O1=#%-)IXPC,^[V?S!9@K(RDT*$3FQ
M!'_'G2/)W55D(TADIJ]X(;+U[/M!3EN#OI'-X_T,:3?D@6)8YL_X>\87_QO.
M\1'"[K\_L;S63AI_YHOA/UY_ 5!+ 0(4 Q0    ( $.'O%@'04UB@0   +$
M   0              "  0    !D;V-0<F]P<R]A<' N>&UL4$L! A0#%
M  @ 0X>\6'8-'[7O    *P(  !$              ( !KP   &1O8U!R;W!S
M+V-O<F4N>&UL4$L! A0#%     @ 0X>\6)E<G",0!@  G"<  !,
M     ( !S0$  'AL+W1H96UE+W1H96UE,2YX;6Q02P$"% ,4    " !#A[Q8
MQL1 H$P$  "O$   &               @($."   >&PO=V]R:W-H965T<R]S
M:&5E=#$N>&UL4$L! A0#%     @ 0X>\6)^@&_"Q @  X@P   T
M     ( !D P  'AL+W-T>6QE<RYX;6Q02P$"% ,4    " !#A[Q8EXJ[',
M   3 @  "P              @ %L#P  7W)E;',O+G)E;'-02P$"% ,4
M" !#A[Q8'#AEZC\!   \ @  #P              @ %5$   >&PO=V]R:V)O
M;VLN>&UL4$L! A0#%     @ 0X>\6"0>FZ*M    ^ $  !H
M ( !P1$  'AL+U]R96QS+W=O<FMB;V]K+GAM;"YR96QS4$L! A0#%     @
M0X>\6&60>9(9 0  SP,  !,              ( !IA(  %M#;VYT96YT7U1Y
><&5S72YX;6Q02P4&      D "0 ^ @  \!,

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0);
e.removeAttribute('id');a.parentNode.appendChild(e)}}
if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'}
e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
..report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

..report table.authRefData a {
	display: block;
	font-weight: bold;
}

..report table.authRefData p {
	margin-top: 0px;
}

..report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

..report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

..report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

..report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
..pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
..report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

..report hr {
	border: 1px solid #acf;
}

/* Top labels */
..report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

..report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

..report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

..report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

..report td.pl div.a {
	width: 200px;
}

..report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
..report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
..report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
..report .re, .report .reu {
	background-color: #def;
}

..report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
..report .ro, .report .rou {
	background-color: white;
}

..report .rou td {
	border-bottom: 1px solid black;
}

..report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
..report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
..report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

..report .nump {
	padding-left: 2em;
}

..report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
..report .text {
	text-align: left;
	white-space: normal;
}

..report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

..report .text .more {
	display: none;
}

..report .text .note {
	font-style: italic;
	font-weight: bold;
}

..report .text .small {
	width: 10em;
}

..report sup {
	font-style: italic;
}

..report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.1.1.u2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1</ContextCount>
  <ElementCount>22</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>0</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>0</UnitCount>
  <MyReports>
    <Report instance="dv-20240523x8k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>dv-20240523.xsd</File>
    <File>dv-20240523_def.xml</File>
    <File>dv-20240523_lab.xml</File>
    <File>dv-20240523_pre.xml</File>
    <File doctype="8-K" isOnlyDei="true" original="dv-20240523x8k.htm">dv-20240523x8k.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="22">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>14
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "version": "2.2",
 "instance": {
  "dv-20240523x8k.htm": {
   "nsprefix": "dvh",
   "nsuri": "http://www.doubleverify.com/20240523",
   "dts": {
    "schema": {
     "local": [
      "dv-20240523.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd",
      "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd",
      "https://xbrl.sec.gov/dei/2023/dei-2023.xsd"
     ]
    },
    "definitionLink": {
     "local": [
      "dv-20240523_def.xml"
     ]
    },
    "labelLink": {
     "local": [
      "dv-20240523_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "dv-20240523_pre.xml"
     ]
    },
    "inline": {
     "local": [
      "dv-20240523x8k.htm"
     ]
    }
   },
   "keyStandard": 22,
   "keyCustom": 0,
   "axisStandard": 0,
   "axisCustom": 0,
   "memberStandard": 0,
   "memberCustom": 0,
   "hidden": {
    "total": 2,
    "http://xbrl.sec.gov/dei/2023": 2
   },
   "contextCount": 1,
   "entityCount": 1,
   "segmentCount": 0,
   "elementCount": 23,
   "unitCount": 0,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/dei/2023": 22
   },
   "report": {
    "R1": {
     "role": "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation",
     "longName": "00090 - Document - Document and Entity Information",
     "shortName": "Document and Entity Information",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "p",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "dv-20240523x8k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "p",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "dv-20240523x8k.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "CityAreaCode",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Document and Entity Information [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentType",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Type",
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressStateOrProvince": {
     "xbrltype": "stateOrProvinceItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityAddressStateOrProvince",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, State or Province",
        "documentation": "Name of the state or province."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity File Number",
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Incorporation, State or Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Tax Identification Number",
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "dei_PreCommencementIssuerTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "PreCommencementIssuerTenderOffer",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre-commencement Issuer Tender Offer",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r3"
     ]
    },
    "dei_PreCommencementTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "PreCommencementTenderOffer",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre-commencement Tender Offer",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r4"
     ]
    },
    "dei_Security12bTitle": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "Security12bTitle",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of 12(b) Security",
        "documentation": "Title of a 12(b) registered security."
       }
      }
     },
     "auth_ref": [
      "r0"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r2"
     ]
    },
    "dei_SolicitingMaterial": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "SolicitingMaterial",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Soliciting Material",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r5"
     ]
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "TradingSymbol",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "dei_WrittenCommunications": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "WrittenCommunications",
     "presentation": [
      "http://www.doubleverify.com/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Written Communications",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act."
       }
      }
     },
     "auth_ref": [
      "r6"
     ]
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "13e",
   "Subsection": "4c"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "14d",
   "Subsection": "2b"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Section": "14a",
   "Number": "240",
   "Subsection": "12"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Securities Act",
   "Number": "230",
   "Section": "425"
  }
 }
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>15
<FILENAME>0001558370-24-008686-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0001558370-24-008686-xbrl.zip
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M6V-V=M33KS5# DYYNO^Z$5+MA(IL^0-02P,$%     @ 0X>\6+?\N+_; @
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M-R?G(T?+V_/JQ[WJ['<@ZE.EM+UQ[=>E/TVDYSC9SS;2^6Z;_@-02P,$%
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ML   $@   &1V+3(P,C0P-3(S>#AK+FAT;>T]:5?B2MK?YU?4Z[QSVSZ')7L
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M5!'N6K@Y7*C==NXOG(#O<E>'X8%YSNO>>7A6E^A"&]CRR8,U9B<1#%Q$/-#
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M.1&K/8>.3-+#7S?I*^4RJO@YXOI7)Y!DX4L#2$DH?5((YTQZ/,NM?XWK731
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M$:;/D620/XY-"KI/ CH3+)'U)F702IJ$)3+RDWUPIS%.$<_.G&3$F$!AXEZ
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M9AVGZYC&(V6<4=9,<XP!_&D%'6OK?U!+ 0(4 Q0    ( $.'O%A:&?$*R ,
M #P/   /              "  0    !D=BTR,#(T,#4R,RYX<V102P$"% ,4
M    " !#A[Q8M_RXO]L"  "<"@  $P              @ 'U P  9'8M,C R
M-# U,C-?9&5F+GAM;%!+ 0(4 Q0    ( $.'O%AZ@JGLK04  -)    3
M          "  0$'  !D=BTR,#(T,#4R,U]L86(N>&UL4$L! A0#%     @
M0X>\6*O(/6IM!   P24  !,              ( !WPP  &1V+3(P,C0P-3(S
M7W!R92YX;6Q02P$"% ,4    " !#A[Q8=^)2]\D5  "]L   $@
M    @ %]$0  9'8M,C R-# U,C-X.&LN:'1M4$L%!@     %  4 0 $  '8G
$      $!

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>17
<FILENAME>dv-20240523x8k_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2023"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="dv-20240523.xsd" xlink:type="simple"/>
    <context id="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001819928</identifier>
        </entity>
        <period>
            <startDate>2024-05-23</startDate>
            <endDate>2024-05-23</endDate>
        </period>
    </context>
    <dei:EntityCentralIndexKey
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_61P0kMHB406dP2ECp0BnAQ_2_1">0001819928</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_nkozUot1v0WLuKiR1crRuQ_4_1">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_TKgi14dqvEuvB9e7zoKykQ">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_mWrMh3lyk0ip6NryscTXfw">2024-05-23</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_tuDHYbe3akG-l7DOS1Kptw">DoubleVerify Holdings,&#160;Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_wa25XHo2xUu0sy7OHxhf9A_1_0">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_A3jaP1pYg0y0lMJ4TsqRBw_1_2">001-40349</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_ZfMxiTGQfk6l_SrZhhKWhA_1_4">82-2714562</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_YSbyxuNBckKHSBV6MVVFRw_1_0">462 Broadway</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_YVWg30V4fEGuBOws5xPk6A">New York</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_TWAQK7V8dkWZU62ExqPXqA">NY</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_zqQyUfiNNUOpQ0zpzGSlCg_2_2">10013</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_bSbszQ8QdUme4rA6UQsBYg">212</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_1jzw80jQXUqAVBJ66T3WLQ">631-2111</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_YgI6TyuHjEuy4hCOcWlzhw">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_XEEcastmn0CRJXNFLYmnaQ">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_x7Sanvxax0KvVnBAjf0RHg">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr__85ECpvSKUWpnt-3kxe3YA">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_ChfX7tuJtUidUINYQVxh0g_2_0">Common stock, par value $0.001 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_2BvBchSry0Gq0uu3bC0s9Q_2_1">DV</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Tc_94KfUba_8k6hvDJo8gmVwg_2_2">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="Duration_5_23_2024_To_5_23_2024_E_6xlq3b-ECjPFOvrPD1Xw"
      id="Narr_53CYpO-sUkeuoisz35izBQ">false</dei:EntityEmergingGrowthCompany>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
