Download websites that use Polyfill
22,878 live sites using Polyfill right now
JavaScript library · since 2011 · open source
About Polyfill
webatla tracks 22,878 live websites using Polyfill, 0.0% of every site we index. Download the full list of websites that use Polyfill as a daily JSONL export. Every record includes the domain plus DNS, WHOIS, IP address, hosting country and global rank.
Polyfill is a JavaScript library and service that provides modern web browser functionality to older browsers that lack native support for newer APIs and features. A polyfill detects which features a browser lacks and loads only the necessary code to fill those gaps, allowing developers to write modern JavaScript and HTML without worrying about cross-browser compatibility. The polyfill.io service, originally maintained by the Financial Times, automatically serves browser-appropriate polyfills via a CDN.
Polyfills are a fundamental tool in web development for progressive enhancement, enabling developers to use features like Promises, fetch, and ES6+ syntax in environments that do not support them natively. The polyfill.io service became widely deployed before a significant security incident in 2024 when its domain was acquired and weaponized to inject malicious code, prompting the community to create alternative services and encouraging self-hosting.
Database preview of Polyfill sites
Polyfill detection is a value inside the Technologies column. Two datasets carry it, switch between them to compare what's included.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| cloudperf.com | com | com | ICANN | HTTP 200 | 75.2.60.5 | US | {"linkedin":["https://linkedin.com/company/perfops"]} | 2026-07-27 | HSTS, HTTP/2, jQuery 3.5.1, Favicon, Netlify, Chart.js, Polyfill 3, Bootstrap 4.3.1, Open Graph, Font Awesome 4.7.0 | 0.000000570509 | 12,754,913 | 2008-06-24 | 2028-06-24 |
| iafc.org | org | org | ICANN | HTTP 200 | 3.220.41.178 | US | {"facebook":["https://facebook.com/firechiefs"],"linkedin":["https://linkedin.com/company/iafc?viewAsMember=true"],"x-twitter":["http://twitter.com/iafc"]} | 2026-08-05 | HSTS, Kevel, HTTP/2, jQuery, Favicon, HubSpot, Mailjet, Select2, YouTube, Polyfill 2 | 0.000000531362 | 16,844,036 | 1996-09-19 | 2026-09-18 |
| lovefoodhatewaste.com | com | com | ICANN | HTTP 200 | 104.26.2.44 | US | {"youtube":["https://youtube.com/user/LoveFoodHateWasteUK"],"facebook":["https://facebook.com/LoveFoodHateWasteCommunity"],"instagram":["https://instagram.com/lfhw_uk"],"x-twitter":["https://twitter.com/LFHW_UK"]} | 2026-08-09 | PHP, PWA, HSTS, Drupal 11, HTTP/2, Hotjar, jQuery, Favicon, Polyfill 3, hreflang | 0.000000471102 | 14,586,596 | 2007-05-03 | 2027-05-03 |
| datajournalism.com | com | com | ICANN | HTTP 200 | 172.66.40.134 | US | {"facebook":["https://facebook.com/pg/data.driven.journalism","https://facebook.com/data.driven.journalism"],"linkedin":["https://linkedin.com/groups/4493217"],"x-twitter":["https://twitter.com/datajournalism"]} | 2026-07-29 | PHP, RSS, Yii, cdnjs, HTTP/2, jQuery 3.1.1, Favicon, Polyfill 2, SEOmatic, Craft CMS | 0.000000454807 | 16,945,626 | 2009-02-13 | 2027-02-13 |
| apowersoft.com | com | com | ICANN | HTTP 200 | 47.252.52.7 | US | {"youtube":["https://youtube.com/apowersoft"],"facebook":["https://facebook.com/apowersoft"],"instagram":["https://instagram.com/apowersoft"],"pinterest":["https://pinterest.com/apowersoft"],"x-twitter":["https://twitter.com/apowersoft"]} | 2026-07-23 | PHP, MySQL, Nginx, Favicon, Polyfill 3, MailChimp, OpenResty, WordPress, Yoast SEO 25.3.1, Open Graph | 0.000000366034 | 17,002,686 | 2008-05-13 | 2030-05-13 |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … |
| Domain | TLD suffix | TLD | Domain type | HTTP status | IP address | Country by IP | Social networks | Technologies last data checked | Technologies | DNS last data checked | DNS Status | DNS records | PR value | Harmonic value | RDAP/WHOIS last data checked | RDAP/WHOIS method | Domain creation date | Domain expiration date | Domain last changed | Registrar | RDAP/WHOIS Record | Response Status RDAP/WHOIS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| cloudperf.com | com | com | ICANN | HTTP 200 | 75.2.60.5 | US | {"linkedin":["https://linkedin.com/company/perfops"]} | 2026-07-27 | HSTS, HTTP/2, jQuery 3.5.1, Favicon, Netlify, Chart.js, Polyfill 3, Bootstrap 4.3.1, Open Graph, Font Awesome 4.7.0 | 2026-08-14 | TRUE | {"A":["75.2.60.5","99.83.231.61"],"NS":["ns1.perfops.net","ns2.perfops.net","ns3.perfops.io","ns4.perfops.io"],"SOA":{"mname":"ns1.perfops.net","retry":86400,"rname":"admin.perfops.net","expire":86400,"serial":2025112405,"minimum":86400,"refresh":86400},"TXT":["google-site-verification=qauhpgFPOcHlH-Q3ipymnadIMMD0HXIv1Jf_PJy-XKE"]} | 0.000000570509 | 12,754,913 | 2026-07-04 | RDAP | 2008-06-24 | 2028-06-24 | 2026-06-24 | Wild West Domains, LLC | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/CLOUDPERF.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/CLOUDPERF.COM"},{"rel":"related","href":"https://rdap.wildwestdomains.com/v1/domain/CLOUDPERF.COM","type":"application/rdap+json","value":"https://rdap.wildwestdomains.com/v1/domain/CLOUDPERF.COM"}],"events":[{"eventDate":"2008-06-24T03:42:33Z","eventAction":"registration"},{"eventDate":"2028-06-24T03:42:33Z","eventAction":"expiration"},{"eventDate":"2026-06-24T18:47:40Z","eventAction":"last changed"},{"eventDate":"2026-07-03T23:54:45Z","eventAction":"last update of RDAP database"}],"handle":"1500676361_DOMAIN_COM-VRSN","status":["client delete prohibited","client renew prohibited","client transfer prohibited","client update prohibited"],"ldhName":"CLOUDPERF.COM","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/cloudperf.com"}],"title":"Terms of Service","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":[{"rel":"help","href":"https://icann.org/wicf","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/cloudperf.com"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://www.wildwestdomains.com","type":"text/html","value":"https://rdap.wildwestdomains.com/v1/"}],"roles":["registrar"],"handle":"440","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:480-624-2505"],["email",{},"text","abuse@wildwestdomains.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"440"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Wild West Domains, LLC"]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"NS1.PERFOPS.NET","objectClassName":"nameserver"},{"ldhName":"NS2.PERFOPS.NET","objectClassName":"nameserver"},{"ldhName":"NS3.PERFOPS.IO","objectClassName":"nameserver"},{"ldhName":"NS4.PERFOPS.IO","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| iafc.org | org | org | ICANN | HTTP 200 | 3.220.41.178 | US | {"facebook":["https://facebook.com/firechiefs"],"linkedin":["https://linkedin.com/company/iafc?viewAsMember=true"],"x-twitter":["http://twitter.com/iafc"]} | 2026-08-05 | HSTS, Kevel, HTTP/2, jQuery, Favicon, HubSpot, Mailjet, Select2, YouTube, Polyfill 2 | 2026-08-07 | TRUE | {"A":["3.220.41.178"],"MX":[{"host":"iafc-org.mail.protection.outlook.com","priority":0}],"NS":["matteo.ns.cloudflare.com","miki.ns.cloudflare.com"],"SOA":{"mname":"matteo.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2411616566,"minimum":1800,"refresh":10000},"TXT":["MS=ms21938797","google-site-verification=wXvXE1C4ZGyMoxQKNWkzohdh4VkKim1GBNfxub8IXXo","rnt29f1ticfhb9oq0gvveelpmk","v=BIMI1; l=https://s3.us-east-1.amazonaws.com/fonteva-customer-media/00D1N000002qxI8UAI/gHuWUmlH_IAFC_CMYK_svg; a=;","v=spf1 ip4:68.232.148.121 ip4:68.232.140.235 ip4:8.34.161.0/24 ip4:8.12.58.0/24 ip4:204.153.45.0/24 ip4:168.215.102.90 ip4:40.139.254.3 ip4:63.251.91.66 a:spf-a.a2zinc.net include:spf.protection.outlook.com include:9249425.spf02.hubspotemail.net include:s pf.cadmiumcd.com include:spf.mailjet.com ~all"]} | 0.000000531362 | 16,844,036 | 2025-08-04 | RDAP | 1996-09-19 | 2026-09-18 | 2025-08-04 | Network Solutions, LLC | {"raw_response":{"links":[{"rel":"related","href":"https://rdap.networksolutions.com/rdap/domain/iafc.org","type":"application/rdap+json","value":"https://rdap.networksolutions.com/rdap/domain/iafc.org"},{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/domain/iafc.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/iafc.org"}],"events":[{"eventDate":"2026-09-18T04:00:00Z","eventAction":"expiration"},{"eventDate":"1996-09-19T04:00:00.932Z","eventAction":"registration"},{"eventDate":"2025-07-25T06:17:25.735Z","eventAction":"last changed"},{"eventDate":"2025-08-04T08:00:47.929Z","eventAction":"last update of RDAP database"}],"handle":"51aebb9aa9bb4d65b05bfc0b6e694bdd-LROR","status":["client transfer prohibited"],"ldhName":"iafc.org","notices":[{"links":[{"rel":"alternate","href":"https://thenew.org/org-people/about-pir/policies/","type":"text/html","value":"https://rdap.publicinterestregistry.org/rdap/domain/iafc.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":"self","href":"https://icann.org/epp","type":"application/rdap+json","value":"https://icann.org/epp"}],"title":"Status Codes","description":["For more information on domain status codes, please visit https://icann.org/epp"]},{"links":[{"rel":"self","href":"https://icann.org/wicf","type":"application/rdap+json","value":"https://icann.org/wicf"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"roles":["registrant"],"events":[{"eventDate":"2025-08-04T08:00:47.929Z","eventAction":"last update of RDAP database"}],"remarks":[{"type":"object redacted due to authorization","title":"REDACTED","description":["Some of the data in this object has been removed."]}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["org",{"type":"work"},"text","International Association of Fire Chiefs"],["adr",{"cc":"US"},"text",["","","","","FL","",""]]]],"objectClassName":"entity"},{"roles":["technical","administrative"],"events":[{"eventDate":"2025-08-04T08:00:47.929Z","eventAction":"last update of RDAP database"}],"remarks":[{"type":"object redacted due to authorization","title":"REDACTED","description":["Some of the data in this object has been removed."]}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""]]],"objectClassName":"entity"},{"links":[{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/entity/2","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/entity/2"}],"roles":["registrar"],"handle":"2","entities":[{"roles":["abuse"],"handle":"72265cec0f8444d386ce827213edbab4-LROR","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Jeffrey Neace"],["tel",{"type":"voice"},"uri","tel:+1.9046806694"],["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"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"2"}],"secureDNS":{"maxSigLife":1,"delegationSigned":false},"nameservers":[{"handle":"13d71a716a8e464dbb75315e04ca0db2-LROR","status":["associated"],"ldhName":"ns-1210.awsdns-23.org","ipAddresses":{"v4":["205.251.196.186"]},"unicodeName":"ns-1210.awsdns-23.org","objectClassName":"nameserver"},{"handle":"48647031c9384ec2bb8a15e2c703904e-LROR","status":["associated"],"ldhName":"ns-171.awsdns-21.com","unicodeName":"ns-171.awsdns-21.com","objectClassName":"nameserver"},{"handle":"c7866d43a0f7435da4b4073a9ddd943b-LROR","status":["associated"],"ldhName":"ns-1984.awsdns-56.co.uk","unicodeName":"ns-1984.awsdns-56.co.uk","objectClassName":"nameserver"},{"handle":"7a48c818e9bf4fb0b50a092a8f919126-LROR","status":["associated"],"ldhName":"ns-648.awsdns-17.net","unicodeName":"ns-648.awsdns-17.net","objectClassName":"nameserver"}],"unicodeName":"iafc.org","objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_response_profile_0","icann_rdap_technical_implementation_guide_0"]}} | Domain is active |
| lovefoodhatewaste.com | com | com | ICANN | HTTP 200 | 104.26.2.44 | US | {"youtube":["https://youtube.com/user/LoveFoodHateWasteUK"],"facebook":["https://facebook.com/LoveFoodHateWasteCommunity"],"instagram":["https://instagram.com/lfhw_uk"],"x-twitter":["https://twitter.com/LFHW_UK"]} | 2026-08-09 | PHP, PWA, HSTS, Drupal 11, HTTP/2, Hotjar, jQuery, Favicon, Polyfill 3, hreflang | 2026-08-11 | TRUE | {"A":["104.26.2.44","104.26.3.44","172.67.69.184"],"MX":[{"host":"mail.lovefoodhatewaste.com","priority":10}],"NS":["cullen.ns.cloudflare.com","faye.ns.cloudflare.com"],"SOA":{"mname":"cullen.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2410052641,"minimum":1800,"refresh":10000},"TXT":["cqdb1n12ns1nlv3j0nffm6lvfqn572wy","facebook-domain-verification=a771mnbfmes8it72bu6ukl1bbsf7pl","google-site-verification=XXbXXHjMfSua94ukS34Tz26eZ6kBJOLBoQkYdk1k6zU","google-site-verification=ZgGOwUqjWf1StTeYfbL9vMWLT33Jb-Ad7q-J1oL5eag","px0xwjxtg0tly8knwthb3bhb04l5dnr8"],"AAAA":["2606:4700:20::681a:22c","2606:4700:20::681a:32c","2606:4700:20::ac43:45b8"],"HTTPS":[{"params":["alpn=h2","ipv4hint=104.26.2.44,104.26.3.44,172.67.69.184","ipv6hint=2606:4700:20::681a:22c,2606:4700:20::681a:32c,2606:4700:20::ac43:45b8"],"target":"","priority":1}]} | 0.000000471102 | 14,586,596 | 2026-05-10 | RDAP | 2007-05-03 | 2027-05-03 | 2026-05-04 | GoDaddy.com, LLC | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/LOVEFOODHATEWASTE.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/LOVEFOODHATEWASTE.COM"},{"rel":"related","href":"https://rdap.godaddy.com/v1/domain/LOVEFOODHATEWASTE.COM","type":"application/rdap+json","value":"https://rdap.godaddy.com/v1/domain/LOVEFOODHATEWASTE.COM"}],"events":[{"eventDate":"2007-05-03T14:38:10Z","eventAction":"registration"},{"eventDate":"2027-05-03T14:38:10Z","eventAction":"expiration"},{"eventDate":"2026-05-04T10:25:49Z","eventAction":"last changed"},{"eventDate":"2026-05-10T07:42:25Z","eventAction":"last update of RDAP database"}],"handle":"956567141_DOMAIN_COM-VRSN","status":["client delete prohibited","client renew prohibited","client transfer prohibited","client update prohibited"],"ldhName":"LOVEFOODHATEWASTE.COM","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/lovefoodhatewaste.com"}],"title":"Terms of Service","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":[{"rel":"help","href":"https://icann.org/wicf","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/lovefoodhatewaste.com"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://www.godaddy.com","type":"text/html","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:480-624-2505"],["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"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"CULLEN.NS.CLOUDFLARE.COM","objectClassName":"nameserver"},{"ldhName":"FAYE.NS.CLOUDFLARE.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| datajournalism.com | com | com | ICANN | HTTP 200 | 172.66.40.134 | US | {"facebook":["https://facebook.com/pg/data.driven.journalism","https://facebook.com/data.driven.journalism"],"linkedin":["https://linkedin.com/groups/4493217"],"x-twitter":["https://twitter.com/datajournalism"]} | 2026-07-29 | PHP, RSS, Yii, cdnjs, HTTP/2, jQuery 3.1.1, Favicon, Polyfill 2, SEOmatic, Craft CMS | 2026-08-10 | TRUE | {"A":["172.66.40.134","172.66.43.122"],"MX":[{"host":"in1-smtp.messagingengine.com","priority":10},{"host":"in2-smtp.messagingengine.com","priority":20}],"NS":["kate.ns.cloudflare.com","kip.ns.cloudflare.com"],"SOA":{"mname":"kate.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2411202800,"minimum":1800,"refresh":10000},"TXT":["google-site-verification=lVQrk_Paw9WxDpAzLQemNQUtqvaLV7Jicy60chlkXII","v=spf1 include:spf.messagingengine.com ?all"],"AAAA":["2606:4700:3108::ac42:2886","2606:4700:3108::ac42:2b7a"],"HTTPS":[{"params":["alpn=h2","ipv4hint=172.66.40.134,172.66.43.122","ipv6hint=2606:4700:3108::ac42:2886,2606:4700:3108::ac42:2b7a"],"target":"","priority":1}]} | 0.000000454807 | 16,945,626 | 2026-01-15 | RDAP | 2009-02-13 | 2027-02-13 | 2026-01-15 | NameCheap, Inc. | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/DATAJOURNALISM.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/DATAJOURNALISM.COM"},{"rel":"related","href":"https://rdap.namecheap.com/domain/DATAJOURNALISM.COM","type":"application/rdap+json","value":"https://rdap.namecheap.com/domain/DATAJOURNALISM.COM"}],"events":[{"eventDate":"2009-02-13T20:27:29Z","eventAction":"registration"},{"eventDate":"2027-02-13T20:27:29Z","eventAction":"expiration"},{"eventDate":"2026-01-14T06:59:00Z","eventAction":"last changed"},{"eventDate":"2026-01-15T00:48:11Z","eventAction":"last update of RDAP database"}],"handle":"1542429760_DOMAIN_COM-VRSN","status":["active"],"ldhName":"DATAJOURNALISM.COM","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/datajournalism.com"}],"title":"Terms of Service","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":[{"rel":"help","href":"https://icann.org/wicf","type":"text/html","value":"https://rdap.verisign.com/com/v1/domain/datajournalism.com"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"links":[{"rel":"about","href":"http://www.namecheap.com","type":"text/html","value":"https://rdap.namecheap.com/"}],"roles":["registrar"],"handle":"1068","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.6613102107"],["email",{},"text","abuse@namecheap.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"1068"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","NameCheap, Inc."]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"KATE.NS.CLOUDFLARE.COM","objectClassName":"nameserver"},{"ldhName":"KIP.NS.CLOUDFLARE.COM","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
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| … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … | … |
Version distribution
Detected Polyfill versions across all 22,878 sites.
| Version | Sites | Share |
|---|---|---|
| 3 | 14,649 | 64.0% |
| 2 | 8,182 | 35.8% |
| 1 | 45 | 0.2% |
The Polyfill dataset
Every site we've detected as running Polyfill, with version, hosting, country, TLD and traffic rank.
Polyfill lives inside 2 datasets
Polyfill detection is part of Technologies (€159/mo) and All data (€599/mo). Buy either to filter the full 22,878-site list, or grab a free preview first.
Which websites are using Polyfill?
webatla detects every site using Polyfill and exports them as one downloadable list, so you can see who relies on this technology and what else runs alongside it.
Open the Polyfill 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 Polyfill?
webatla detects Polyfill on 23K websites, refreshed daily, each with its domain, DNS, WHOIS, IP, country and ranking.
Can I download the list of websites using Polyfill?
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 Polyfill?
Buy the technology dataset, then download the complete list of domains we detect using Polyfill, re-exported every day.
What else is in the Polyfill technology data?
Each row places Polyfill next to the other technology on the same site, plus DNS, WHOIS, IP, country and ranking.
Can I download just the sites using Polyfill, or the whole database?
Both. Every site running Polyfill 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 Polyfill?
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 Polyfill 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.
Get the full list of websites using Polyfill
Pick the dataset that covers what you need. Each one includes Polyfill and downloads as JSONL, rebuilt daily.
Want to compare every dataset side by side? Visit the pricing page