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Download websites that use ClientJS

Name: Websites that use ClientJS
Creator: webatla
License: https://webatla.com/terms

3,709 live sites using ClientJS right now

JavaScript library · since 2013 · open source

4K sites Dataset updated · 2026-08-18

Categories Browser fingerprinting JavaScript libraries

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About ClientJS Database preview Versions Download

About ClientJS

webatla tracks 3,709 live websites using ClientJS, 0.0% of every site we index. Download the full list of websites that use ClientJS as a daily JSONL export. Every record includes the domain plus DNS, WHOIS, IP address, hosting country and global rank.

ClientJS is a JavaScript library designed for client-side device detection and fingerprinting. It provides developers with a simple API to gather information about a visitor's browser, operating system, device type, and other environment characteristics without requiring server-side processing.

Widely used in analytics, fraud detection, and user experience personalization, ClientJS enables websites to adapt content and functionality based on device capabilities. The library is lightweight and open source, making it a practical tool for developers who need reliable client-side profiling in web applications.

At a glance

Websiteclientjs.org ↗

LanguageJavaScript

LicenseMIT

First release2013-01-01

All figures as of Aug 18, 2026

3,709 Sites detected

0.0% Of all websites

0.2.1 Most used version

Database preview of ClientJS sites

ClientJS detection is a value inside the Technologies column. Two datasets carry it, switch between them to compare what's included.

webatla-technologies-clientjs-2026-08-18.jsonl.zst · 3,709 rows · 14 columns Daily fresh export

Domain	TLD suffix	TLD	Domain type	HTTP status	IP address	Country by IP	Social networks	Technologies last data checked	Technologies	PR value	Harmonic value	Domain creation date	Domain expiration date
univ-lehavre.fr	fr	fr	ICANN	HTTP 200	193.52.167.158	FR	{"github":["https://github.com/apereo/cas/pulls"]}	2026-07-09	HSTS, Debian, jQuery 3.7.1, Favicon, ClientJS 0.2.1, Bootstrap 895b9494c7178ac12ad9c56d81305665, DataTables, Apple iCloud Mail, Apache HTTP Server 2.4.68, Google Site Verification	0.00000017856	16,848,330	1994-12-31	2026-12-31
communitycommons.org	org	org	ICANN	HTTP 200	104.26.4.38	US	{"facebook":["https://facebook.com/CommunityCommons"],"linkedin":["https://linkedin.com/company/communitycommons"],"instagram":["https://instagram.com/community_commons"],"x-twitter":["https://twitter.com/CommunityCommon"]}	2026-07-28	cdnjs, Fathom, HTTP/2, jQuery, Express, Favicon, HubSpot, Node.js, Select2, ClientJS	0.000000162157	16,769,074	1998-07-02	2027-07-01
cameroon-tribune.cm	cm	cm	ICANN	HTTP 200	92.204.53.152	FR	{"facebook":["https://facebook.com/camerountribune"],"x-twitter":["https://twitter.com/CamerounTribune"]}	2026-07-26	PHP, cdnjs, HTTP/2, jQuery, Favicon, ClientJS 0.2.1, hreflang, Bootstrap, jQuery UI, Cloudflare	0.0000000740428	14,138,308	2009-08-28	2027-02-17
southtravels.com	com	com	ICANN	HTTP 200	109.176.196.216	GB	{"youtube":["https://youtube.com/c/SouthTravelsdmcc"],"facebook":["https://facebook.com/SouthTravelsUAE","https://facebook.com/SouthTravelsOfficialPage"],"linkedin":["https://linkedin.com/company/south-travels-dmcc"],"whatsapp":["https://api.whatsapp.com/send?phone=971502477593&text=Hi%2C+I+would+like+to+inquire+about+something.+I+found+your+website+at+https%3A%2F%2Fwww.southtravels.com%2F"],"instagram":["https://instagram.com/southtravels_dmcc","https://instagram.com/southtravels8376"],"x-twitter":["https://twitter.com/SouthTravels"]}	2026-08-17	Google Ads AW-11040441731 AW-17860471546 +1, Google Analytics UA-4111673-1, Google Tag Manager GTM-MDGZ4LV9, PHP 8.2.30, cdnjs, HTTP/3, jQuery, Favicon, Laravel, ClientJS 0.1.11	0.0000000498266	14,096,526	2001-11-09	2033-11-09
tcu.go.tz	go.tz	tz	ICANN	HTTP 200	41.59.90.193	TZ	{"youtube":["https://youtube.com/@tcutvtanzania"],"facebook":["https://web.facebook.com/tcutanzania"],"instagram":["https://instagram.com/tcu_tanzania"],"x-twitter":["https://twitter.com/tcu_tanzania"]}	2026-07-08	PHP, HSTS, Drupal 10, Swiper, Favicon, ClientJS, Apache HTTP Server	0.0000000485099	14,090,694	2009-07-24	2027-07-23
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communitycommons.org	org	org	ICANN	HTTP 200	104.26.4.38	US	{"facebook":["https://facebook.com/CommunityCommons"],"linkedin":["https://linkedin.com/company/communitycommons"],"instagram":["https://instagram.com/community_commons"],"x-twitter":["https://twitter.com/CommunityCommon"]}	2026-07-28	cdnjs, Fathom, HTTP/2, jQuery, Express, Favicon, HubSpot, Node.js, Select2, ClientJS	2026-08-14	TRUE	{"A":["104.26.4.38","104.26.5.38","172.67.72.13"],"MX":[{"host":"route1.mx.cloudflare.net","priority":10},{"host":"route2.mx.cloudflare.net","priority":88},{"host":"route3.mx.cloudflare.net","priority":40}],"NS":["houston.ns.cloudflare.com","paislee.ns.cloudflare.com"],"SOA":{"mname":"houston.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2412060932,"minimum":1800,"refresh":10000},"TXT":["google-site-verification=Q8joIr3HHtr5FuXc-HQFYaCqgwD7qSI1K2BLb626jaA","google-site-verification=aSTHMDTZfHb_LXipb2zO4T01WMDnFJqHH6KFCiKr0TY","include:3077813.spf10.hubspotemail.net","v=spf1 include:_spf.mx.cloudflare.net include:3077813.spf10.hubspotemail.net ~all"],"AAAA":["2606:4700:20::681a:426","2606:4700:20::681a:526","2606:4700:20::ac43:480d"],"HTTPS":[{"params":["alpn=h2","ipv4hint=104.26.4.38,104.26.5.38,172.67.72.13","ipv6hint=2606:4700:20::681a:426,2606:4700:20::681a:526,2606:4700:20::ac43:480d"],"target":"","priority":1}]}	0.000000162157	16,769,074	2026-07-11	RDAP	1998-07-02	2027-07-01	2026-07-02	GoDaddy.com, LLC	{"raw_response":{"links":[{"rel":"related","href":"https://rdap.godaddy.com/v1/domain/communitycommons.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/communitycommons.org"},{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/domain/communitycommons.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/communitycommons.org"}],"events":[{"eventDate":"2012-06-10T02:43:12.88Z","eventAction":"transfer"},{"eventDate":"2027-07-01T04:00:00Z","eventAction":"expiration"},{"eventDate":"1998-07-02T04:00:00.88Z","eventAction":"registration"},{"eventDate":"2026-07-02T17:04:21.656Z","eventAction":"last changed"},{"eventDate":"2026-07-11T01:36:48.023Z","eventAction":"last update of RDAP database"}],"status":["client delete prohibited","client renew prohibited","client transfer prohibited","client update prohibited","auto renew period"],"ldhName":"communitycommons.org","notices":[{"links":[{"rel":"terms-of-service","href":"https://thenew.org/org-people/about-pir/policies/","type":"text/html","value":"https://rdap.publicinterestregistry.org/rdap/domain/communitycommons.org"}],"title":"Terms of Service","description":["Public Interest Registry provides this RDAP service for informational purposes only, and to assist persons in obtaining information about or related to a domain name registration record. Public Interest Registry does not guarantee its accuracy. Users accessing the Public Interest Registry RDAP service agree to use the data only for lawful purposes, and under no circumstances may this data be used to: a) allow, enable, or otherwise support the transmission by e-mail, telephone, or facsimile of mass unsolicited, commercial advertising or solicitations to entities other than the registrar's own existing customers and b) enable high volume, automated, electronic processes that send queries or data to the systems of Public Interest Registry or any ICANN-accredited registrar, except as reasonably necessary to register domain names or modify existing registrations. When using the Public Interest Registry RDAP service, please consider the following: the RDAP service is not a replacement for standard EPP commands to the SRS service. RDAP is not considered authoritative for registered domain objects. The RDAP service may be scheduled for downtime during production or OT&E maintenance periods. Queries to the RDAP services are throttled. If too many queries are received from a single IP address within a specified time, the service will begin to reject further queries for a period of time to prevent disruption of RDAP service access. Abuse of the RDAP system through data mining is mitigated by detecting and limiting bulk query access from single sources. Where applicable, the presence of a [Non-Public Data] tag indicates that such data is not made publicly available due to applicable data privacy laws or requirements. Should you wish to contact the registrant, please refer to the RDAP records available through the registrar URL listed above. Access to non-public data may be provided, upon request, where it can be reasonably confirmed that the requester holds a specific legitimate interest and a proper legal basis for accessing the withheld data. Access to this data can be requested by submitting a request to WHOISrequest@pir.org. Public Interest Registry Inc. reserves the right to modify these terms at any time. By submitting this query, you agree to abide by this policy."]},{"links":[{"rel":"glossary","href":"https://icann.org/epp","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/communitycommons.org"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"help","href":"https://icann.org/wicf","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/communitycommons.org"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/entity/146","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/entity/146"},{"rel":"about","href":"https://rdap.godaddy.com/v1","type":"application/rdap+json","value":"https://rdap.godaddy.com/v1"}],"roles":["registrar"],"handle":"146","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.4806242505"],["email",{},"text","abuse@godaddy.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"146"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","GoDaddy.com, LLC"]]],"objectClassName":"entity"}],"redacted":[{"name":{"type":"Registry Domain ID"},"method":"removal","prePath":"$.handle","pathLang":"jsonpath"}],"secureDNS":{"maxSigLife":1,"delegationSigned":false},"nameservers":[{"handle":"239b874dc9be410281783d5e5a6dabb7-LROR","status":["associated"],"ldhName":"houston.ns.cloudflare.com","unicodeName":"houston.ns.cloudflare.com","objectClassName":"nameserver"},{"handle":"d7d3d995903f4070bc60bd7b7b7b1f3d-LROR","status":["associated"],"ldhName":"paislee.ns.cloudflare.com","unicodeName":"paislee.ns.cloudflare.com","objectClassName":"nameserver"}],"unicodeName":"communitycommons.org","objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_response_profile_1","icann_rdap_technical_implementation_guide_1","redacted"]}}	Domain is active
cameroon-tribune.cm	cm	cm	ICANN	HTTP 200	92.204.53.152	FR	{"facebook":["https://facebook.com/camerountribune"],"x-twitter":["https://twitter.com/CamerounTribune"]}	2026-07-26	PHP, cdnjs, HTTP/2, jQuery, Favicon, ClientJS 0.2.1, hreflang, Bootstrap, jQuery UI, Cloudflare	2026-08-15	TRUE	{"A":["92.204.53.152"],"MX":[{"host":"mail.cameroon-tribune.cm","priority":5}],"NS":["webserver.sopecamonline.com"],"CAA":[{"tag":"issuewild","flags":0,"value":"letsencrypt.org"}],"SOA":{"mname":"webserver.sopecamonline.com","retry":600,"rname":"root.webserver.sopecamonline.com","expire":1209600,"serial":2026080600,"minimum":3600,"refresh":3600},"TXT":["brevo-code:6fd2c5e2b6c45f2ab50bbe559abea4fb","v=spf1 a mx a:cameroon-tribune.cm ip4:92.204.53.152 ?all"]}	0.0000000740428	14,138,308	2026-03-13	RDAP	2009-08-28	2027-02-17	2026-03-13	CleanDev Agency Sarl	{"raw_response":{"links":[{"rel":"related","href":"https://rdap.nic.cm/domain/cameroon-tribune.cm","type":"application/rdap+json","value":"https://rdap.nic.cm/domain/cameroon-tribune.cm"}],"events":[{"eventDate":"2009-08-28T00:00:00Z","eventAction":"registration"},{"eventDate":"2026-02-10T08:51:23Z","eventActor":"CleanDev Agency Sarl","eventAction":"reregistration"},{"eventDate":"2022-05-23T15:29:37Z","eventActor":"CleanDev Agency Sarl","eventAction":"transfer"},{"eventDate":"2027-02-17T23:00:00Z","eventAction":"expiration"},{"eventDate":"2027-02-17T23:00:00Z","eventAction":"registrar expiration"},{"eventDate":"2026-02-10T08:51:23Z","eventAction":"last changed"},{"eventDate":"2026-03-13T22:47:16Z","eventAction":"last update of RDAP database"}],"handle":"8491-RegCM","status":["active"],"ldhName":"cameroon-tribune.cm","notices":[{"links":[{"rel":"terms-of-service","href":"https://rdap.nic.cm","type":"application/json","title":"Terms of 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southtravels.com	com	com	ICANN	HTTP 200	109.176.196.216	GB	{"youtube":["https://youtube.com/c/SouthTravelsdmcc"],"facebook":["https://facebook.com/SouthTravelsUAE","https://facebook.com/SouthTravelsOfficialPage"],"linkedin":["https://linkedin.com/company/south-travels-dmcc"],"whatsapp":["https://api.whatsapp.com/send?phone=971502477593&text=Hi%2C+I+would+like+to+inquire+about+something.+I+found+your+website+at+https%3A%2F%2Fwww.southtravels.com%2F"],"instagram":["https://instagram.com/southtravels_dmcc","https://instagram.com/southtravels8376"],"x-twitter":["https://twitter.com/SouthTravels"]}	2026-08-17	Google Ads AW-11040441731 AW-17860471546 +1, Google Analytics UA-4111673-1, Google Tag Manager GTM-MDGZ4LV9, PHP 8.2.30, cdnjs, HTTP/3, jQuery, Favicon, Laravel, ClientJS 0.1.11	2026-08-17	TRUE	{"A":["109.176.196.216"],"MX":[{"host":"mx1.hostinger.com","priority":5},{"host":"mx2.hostinger.com","priority":10}],"NS":["ns1.dns-parking.com","ns2.dns-parking.com"],"SOA":{"mname":"ns1.dns-parking.com","retry":2400,"rname":"dns.hostinger.com","expire":604800,"serial":2026081301,"minimum":600,"refresh":10000},"TXT":["google-site-verification=O3oNr4rAnZi-fQfPa2HEA8mYbFHCbacgfaLSVT1x0PM","v=spf1 include:_spf.mail.hostinger.com ~all"],"AAAA":["2a02:4780:a:1451:0:70f:adec:2"]}	0.0000000498266	14,096,526	2025-06-23	RDAP	2001-11-09	2033-11-09	2025-06-23	Network Solutions, LLC	{"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/SOUTHTRAVELS.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/SOUTHTRAVELS.COM"},{"rel":"related","href":"https://rdap.networksolutions.com/rdap/domain/SOUTHTRAVELS.COM","type":"application/rdap+json","value":"https://rdap.networksolutions.com/rdap/domain/SOUTHTRAVELS.COM"}],"events":[{"eventDate":"2001-11-09T19:36:36Z","eventAction":"registration"},{"eventDate":"2033-11-09T19:36:36Z","eventAction":"expiration"},{"eventDate":"2024-06-07T16:13:10Z","eventAction":"last changed"},{"eventDate":"2025-06-23T20:47:29Z","eventAction":"last update of RDAP database"}],"handle":"79547179_DOMAIN_COM-VRSN","status":["client transfer prohibited"],"ldhName":"SOUTHTRAVELS.COM","notices":[{"links":[{"href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html"}],"title":"Terms of Use","description":["Service subject to Terms of Use."]},{"links":[{"href":"https://icann.org/epp","type":"text/html"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"href":"https://icann.org/wicf","type":"text/html"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"roles":["registrar"],"handle":"2","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.8777228662"],["email",{},"text","domain.operations@web.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"2"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Network Solutions, LLC"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS1.DNS-PARKING.COM","objectClassName":"nameserver"},{"ldhName":"NS2.DNS-PARKING.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_0","icann_rdap_response_profile_0"]}}	Domain is active
tcu.go.tz	go.tz	tz	ICANN	HTTP 200	41.59.90.193	TZ	{"youtube":["https://youtube.com/@tcutvtanzania"],"facebook":["https://web.facebook.com/tcutanzania"],"instagram":["https://instagram.com/tcu_tanzania"],"x-twitter":["https://twitter.com/tcu_tanzania"]}	2026-07-08	PHP, HSTS, Drupal 10, Swiper, Favicon, ClientJS, Apache HTTP Server	2026-08-08	TRUE	{"A":["41.59.90.193"],"DS":[{"digest":"574170a9430b9d41b21f56a4ae7e0005ce1e1e44d21f3fe79a34f2616f16e62a","key_tag":14525,"algorithm":13,"digest_type":2}],"MX":[{"host":"mx3.eganet.go.tz","priority":10}],"NS":["ns1.eganet.go.tz","ns2.eganet.go.tz","ns3.eganet.go.tz"],"SOA":{"mname":"ns.eganet.go.tz","retry":1800,"rname":"hostmaster.tcu.go.tz","expire":1209600,"serial":2020012523,"minimum":3600,"refresh":3600},"TXT":["v=spf1 a:smtp2.eganet.go.tz a:smtp3.eganet.go.tz a:smtp.eganet.go.tz a:smtp.gov.go.tz a:smtp4.eganet.go.tz a:smtp6.eganet.go.tz 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is active
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Showing 5 of 3,709 rows · Technologies · Full website tech stack per site: CMS, payments, analytics, frameworks.

↓ Download preview (20 rows, free) Buy Technologies — €159 / month

Version distribution

Detected ClientJS versions across all 3,709 sites.

Version	Sites	Share
0.2.1	3,176	97.1%
0.1.11	78	2.4%
0.1.11,npm	8	0.2%
2.0	4	0.1%
527	3	0.1%

The ClientJS dataset

Every site we've detected as running ClientJS, with version, hosting, country, TLD and traffic rank.

ClientJS lives inside 2 datasets

ClientJS detection is part of Technologies (€159/mo) and All data (€599/mo). Buy either to filter the full 3,709-site list, or grab a free preview first.

See datasets ↓ Download free preview (20 rows)

Which websites are using ClientJS?

webatla detects every site using ClientJS and exports them as one downloadable list, so you can see who relies on this technology and what else runs alongside it.

Open the ClientJS technology dataset to break adoption down by country and TLD, compare it with a competing technology, and track new domains over time.

Frequently asked questions

How many websites use ClientJS?

webatla detects ClientJS on 4K websites, refreshed daily, each with its domain, DNS, WHOIS, IP, country and ranking.

Can I download the list of websites using ClientJS?

Yes, as structured JSONL. Grab a free sample first.

What's included for each site, and how fresh is it?

Domain, DNS, RDAP/WHOIS, the full technology stack, IP & country, PageRank and Harmonic, re-detected and re-exported daily.

How do I find the websites using ClientJS?

Buy the technology dataset, then download the complete list of domains we detect using ClientJS, re-exported every day.

What else is in the ClientJS technology data?

Each row places ClientJS next to the other technology on the same site, plus DNS, WHOIS, IP, country and ranking.

Can I download just the sites using ClientJS, or the whole database?

Both. Every site running ClientJS comes in the Technologies dataset, one downloadable file. Or buy All data for the entire database: technologies plus identity, ranking, DNS and RDAP/WHOIS for every domain, combined in one file. Daily fresh export.

How do I download the list of websites using ClientJS?

Three steps: (1) grab the free 10,000-row sample to inspect the schema, (2) buy the Technologies dataset, (3) download the full list of every domain we detect running ClientJS as a JSON Lines file. It is re-exported daily, so you can re-download the freshest list any time inside your access window. Each row carries the domain plus DNS, WHOIS, IP, hosting country and rank.