Po
Download websites using Polyfill
JavaScript library · since 2011 · open source
20K sites
-77.07% YoY
Latest export · 0 days ago
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About Polyfill
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.
At a glance
CategoryJavaScript Library
LanguageJavaScript
LicenseMIT
First release2011-01-01
19,593
Sites detected
0.0%
Of all websites
-77.1%
YoY change
3
Most used version
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.
webatla-technologies-polyfill-2026-06-13.jsonl.zst · 19,593 rows · 1 B · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| eonline.com | com | com | ICANN | HTTP 200 | 184.86.103.220 | DE | {"youtube":["http://youtube.com/user/enews"],"facebook":["http://facebook.com/enews"],"snapchat":["http://snapchat.com/add/e_news"],"whatsapp":["https://whatsapp.com/channel/0029Vavwfvm9Bb5xYafiw02U"],"instagram":["http://instagram.com/enews"],"pinterest":["https://pinterest.com/e_news_"]} | 2026-05-08 | HSTS, DigiCert, OneTrust, Polyfill 3, Open Graph, Google Font API, Apache HTTP Server, Loadable-Components | 0.00000489987 | 15,633,622 | 1995-09-01 | 2027-08-31 |
| fast.ai | ai | ai | ICANN | HTTP 200 | 104.26.2.19 | US | {"github":["https://github.com/fastai"],"x-twitter":["https://twitter.com/fastdotai"]} | 2026-05-09 | RSS, Fastly, Popper, Varnish, Polyfill 3, jsDelivr, Bootstrap, Amazon SES, Cloudflare, Open Graph | 0.00000406521 | 17,310,748 | 2017-12-16 | 2028-04-27 |
| chalkbeat.org | org | org | ICANN | HTTP 200 | 75.2.16.203 | US | {"reddit":["https://reddit.com/user/chalkbeat"],"bluesky":["https://bsky.app/profile/chalkbeat.org"],"threads":["https://threads.net/@chalkbeatorg"],"youtube":["https://youtube.com/channel/UCGuhR9I9ZN6VYalm3P7eMfA"],"facebook":["https://facebook.com/Chalkbeat"],"linkedin":["https://linkedin.com/company/chalkbeat"],"instagram":["https://instagram.com/chalkbeatorg"],"pinterest":["https://pinterest.com/chalkbeat"],"x-twitter":["https://twitter.com/chalkbeat"]} | 2026-05-02 | RSS, Nginx, Akamai, Nativo, Polyfill 3, OpenResty, Cloudflare, Google Ads, Open Graph, Facebook Pixel | 0.00000140668 | 17,245,566 | 2013-07-08 | 2026-07-08 |
| asisonline.org | org | org | ICANN | HTTP 200 | 104.25.54.15 | US | {"youtube":["https://youtube.com/user/ASISInternational"],"facebook":["https://facebook.com/ASISInternational"],"linkedin":["https://linkedin.com/company/30614"],"instagram":["https://instagram.com/asisinternational"],"x-twitter":["https://twitter.com/ASIS_Intl"]} | 2026-04-27 | PWA, HSTS, cdnjs, HTTP/3, jQuery 3.2.1, HubSpot, Twitter, Zendesk, OneTrust, Polyfill 2 | 0.00000114899 | 14,760,438 | 1996-02-24 | 2027-02-25 |
| fashionrevolution.org | org | org | ICANN | HTTP 200 | 95.217.190.142 | FI | {"tiktok":["https://tiktok.com/@fashionrevolution"],"youtube":["https://youtube.com/channel/UC0JS74vyisaHej_xEq_zZ1w"],"facebook":["https://facebook.com/fashionrevolution.org"],"instagram":["https://instagram.com/fash_rev"],"x-twitter":["https://twitter.com/fash_rev"]} | 2026-05-09 | PHP, HSTS, MySQL, Debian, jQuery 3.4.1, GoDaddy, YouTube, Polyfill 2, Site Kit 1.178.0, jsDelivr | 0.00000089186 | 15,298,319 | 2013-05-05 | 2027-05-05 |
| … | … | … | … | … | … | … | … | … | … | … | … | … | … |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| eonline.com | com | com | ICANN | HTTP 200 | 184.86.103.220 | DE | {"youtube":["http://youtube.com/user/enews"],"facebook":["http://facebook.com/enews"],"snapchat":["http://snapchat.com/add/e_news"],"whatsapp":["https://whatsapp.com/channel/0029Vavwfvm9Bb5xYafiw02U"],"instagram":["http://instagram.com/enews"],"pinterest":["https://pinterest.com/e_news_"]} | 2026-05-08 | HSTS, DigiCert, OneTrust, Polyfill 3, Open Graph, Google Font API, Apache HTTP Server, Loadable-Components | 2026-06-11 | TRUE | {"A":["184.86.103.220","184.86.103.223"],"MX":[{"host":"email.eonline.com","priority":50},{"host":"inbound-smtp.us-west-2.amazonaws.com","priority":10}],"NS":["asia2.akam.net","asia3.akam.net","aus1.akam.net","eur3.akam.net","eur4.akam.net","ns1-102.akam.net","ns1-161.akam.net","use3.akam.net","usw1.akam.net"],"CAA":[{"tag":"issue","flags":0,"value":"amazon.com"},{"tag":"issue","flags":0,"value":"digicert.com"},{"tag":"issuewild","flags":0,"value":"digicert.com"},{"tag":"issue","flags":0,"value":"globalsign.com"},{"tag":"issuewild","flags":0,"value":"globalsign.com"},{"tag":"issue","flags":0,"value":"letsencrypt.org"},{"tag":"issuewild","flags":0,"value":"letsencrypt.org"},{"tag":"issue","flags":0,"value":"pki.goog"},{"tag":"issuewild","flags":0,"value":"pki.goog"}],"LOC":["37 22 12.191 N 121 57 56.484 W 17m 1m 10000m 10m"],"SOA":{"mname":"a1-173.akam.net","retry":900,"rname":"hostmaster.eonline.com","expire":1800000,"serial":2016061715,"minimum":86400,"refresh":1200},"TXT":["2rhzbzb6r6p8z5hqxjxwdhw3rd57dgms","_zavqrou6cwfkug7nq3x143m5kcj8c1l","a019e5e8a9ff451d9342f0be28384892","amazonses:qQ+mkErgudZpnvNGBxI2Zan33i9hBjOhugRT6rS5seo=","atlassian-domain-verification=GLdM+/NLCFfEabD6ehBftAdFAnqPMwq2xU9TtdxKbIEMPaNDD7sJ8oAxMVye/caJ","facebook-domain-verification=4ibctlm5ihzdeufrc19auxqcmcctj8","google-site-verification=HRqGVq6H23RBoZpkjqRgJLFx8SOq9GVxinDBE2A8LFw","google-site-verification=jOadQCDbZTkKw5sn27yXszjIb9c3PdMPHENN92uPWy8","google-site-verification=lL5I6oAU0a5eh4ZS-hLM_iC6cPa32T1eVqTQKBw9i_U","v=spf1 a:mx0a-00176a04.pphosted.com a:mx0b-00176a04.pphosted.com ip:208.78.120.145 include:aspmx.sailthru.com ~all","v=spf1 ip:12.46.7.226 -all","v=spf1 ip:208.78.120.150 -all","yahoo-verification-key=BA7cyZWD/bUcAWHacbiv/mlU3TAoXO1mVUtdRH+IjhI="]} | 0.00000489987 | 15,633,622 | 2025-08-13 | RDAP | 1995-09-01 | 2027-08-31 | 2025-08-13 | MarkMonitor Inc. | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.verisign.com/com/v1/domain/EONLINE.COM","type":"application/rdap+json","value":"https://rdap.verisign.com/com/v1/domain/EONLINE.COM"},{"rel":"related","href":"https://rdap.markmonitor.com/rdap/domain/EONLINE.COM","type":"application/rdap+json","value":"https://rdap.markmonitor.com/rdap/domain/EONLINE.COM"}],"events":[{"eventDate":"1995-09-01T04:00:00Z","eventAction":"registration"},{"eventDate":"2027-08-31T04:00:00Z","eventAction":"expiration"},{"eventDate":"2025-07-30T09:37:07Z","eventAction":"last changed"},{"eventDate":"2025-08-13T03:31:38Z","eventAction":"last update of RDAP database"}],"handle":"1710710_DOMAIN_COM-VRSN","status":["client delete prohibited","client transfer prohibited","client update prohibited","server delete prohibited","server transfer prohibited","server update prohibited"],"ldhName":"EONLINE.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/eonline.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/eonline.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.markmonitor.com","type":"text/html","value":"https://rdap.markmonitor.com/rdap/"}],"roles":["registrar"],"handle":"292","entities":[{"roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text",""],["tel",{"type":"voice"},"uri","tel:+1.2086851750"],["email",{},"text","abusecomplaints@markmonitor.com"]]],"objectClassName":"entity"}],"publicIds":[{"type":"IANA Registrar ID","identifier":"292"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","MarkMonitor Inc."]]],"objectClassName":"entity"}],"secureDNS":{"delegationSigned":false},"nameservers":[{"ldhName":"ASIA2.AKAM.NET","objectClassName":"nameserver"},{"ldhName":"ASIA3.AKAM.NET","objectClassName":"nameserver"},{"ldhName":"AUS1.AKAM.NET","objectClassName":"nameserver"},{"ldhName":"EUR3.AKAM.NET","objectClassName":"nameserver"},{"ldhName":"EUR4.AKAM.NET","objectClassName":"nameserver"},{"ldhName":"NS1-102.AKAM.NET","objectClassName":"nameserver"},{"ldhName":"NS1-161.AKAM.NET","objectClassName":"nameserver"},{"ldhName":"USE3.AKAM.NET","objectClassName":"nameserver"},{"ldhName":"USW1.AKAM.NET","objectClassName":"nameserver"}],"objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_technical_implementation_guide_1","icann_rdap_response_profile_1"]}} | Domain is active |
| fast.ai | ai | ai | ICANN | HTTP 200 | 104.26.2.19 | US | {"github":["https://github.com/fastai"],"x-twitter":["https://twitter.com/fastdotai"]} | 2026-05-09 | RSS, Fastly, Popper, Varnish, Polyfill 3, jsDelivr, Bootstrap, Amazon SES, Cloudflare, Open Graph | 2026-06-08 | TRUE | {"A":["104.26.2.19","104.26.3.19","172.67.69.159"],"MX":[{"host":"smtp.google.com","priority":1}],"NS":["melissa.ns.cloudflare.com","roman.ns.cloudflare.com"],"SOA":{"mname":"melissa.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2406284606,"minimum":1800,"refresh":10000},"TXT":["google-site-verification=GTRvd7IHODSRGWW4uvb-UjS6NqY8vlFNMYTmhtcbURE","v=spf1 a mx include:_spf.elasticemail.com include:spf.messagingengine.com include:amazonses.com ip4:107.170.249.202 include:_spf.google.com ~all"],"AAAA":["2606:4700:20::681a:213","2606:4700:20::681a:313","2606:4700:20::ac43:459f"],"HTTPS":[{"params":["alpn=h2","ipv4hint=104.26.2.19,104.26.3.19,172.67.69.159","ipv6hint=2606:4700:20::681a:213,2606:4700:20::681a:313,2606:4700:20::ac43:459f"],"target":"","priority":1}]} | 0.00000406521 | 17,310,748 | 2026-04-18 | RDAP | 2017-12-16 | 2028-04-27 | 2026-02-02 | Zenaida.cate.ai | {"raw_response":{"links":[{"rel":"self","href":"https://rdap.identitydigital.services/rdap/domain/fast.ai","type":"application/rdap+json","value":"https://rdap.identitydigital.services/rdap/domain/fast.ai"}],"events":[{"eventDate":"2028-04-27T03:07:14Z","eventAction":"expiration"},{"eventDate":"2017-12-16T03:07:14Z","eventAction":"registration"},{"eventDate":"2026-02-02T08:41:51.58Z","eventAction":"last changed"},{"eventDate":"2026-04-18T13:12:54.363Z","eventAction":"last update of RDAP database"}],"handle":"87cd2c2f19ea4dd887b4a9709b2a2159-DONUTS","status":["active"],"ldhName":"fast.ai","notices":[{"links":[{"rel":"terms-of-service","href":"https://www.identity.digital/policies/rdds-access-policy","type":"text/html","value":"https://rdap.identitydigital.services/rdap/domain/fast.ai"}],"title":"Terms of Service","description":["Access to RDAP information is provided to assist persons in determining the contents of a domain name registration record in the registry database. The data in this record is provided by Identity Digital or, if the record pertains to a TLD not operated by Identity Digital, then the corresponding primary Registry Operator for informational purposes only, and neither Identity Digital nor the Registry Operator guarantee its accuracy. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data 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 data recipient's own existing customers; or (b) enable high volume, automated, electronic processes that send queries or data to the systems of Identity Digital, a Registrar, or Registry Operator except as reasonably necessary to register domain names or modify existing registrations. When using the 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 the data provided by Identity Digital can be requested by submitting a request via the form found at https://www.identity.digital/about/policies/whois-layered-access/ Identity Digital Inc. and, if applicable, the primary Registry Operators reserve 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.identitydigital.services/rdap/domain/fast.ai"}],"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.identitydigital.services/rdap/domain/fast.ai"}],"title":"RDDS Inaccuracy Complaint Form","description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"]}],"entities":[{"roles":["registrant"],"handle":"59fd24c1934c489e8ac0ce57fdf08524-DONUTS","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Jeremy Howard"],["org",{"type":"work"},"text","fast.ai"],["tel",{"type":"voice"},"uri","tel:+111.1111111111"],["email",{},"text","ai@jhoward.fastmail.fm"],["adr",{"cc":"US"},"text",["","",["101 Howard St","",""],"San Francisco","CA","94131",""]]]],"objectClassName":"entity"},{"roles":["technical","administrative"],"handle":"b930381eb17d476a8b6a2d07df53fe3c-DONUTS","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","ai@jhoward.fastmail.fm"],["org",{"type":"work"},"text","ai@jhoward.fastmail.fm"],["tel",{"type":"voice"},"uri","tel:+111.1111111111"],["email",{},"text","ai@jhoward.fastmail.fm"],["adr",{"cc":"US"},"text",["","",["121 Stanford Way","",""],"Sausalito","CA","94965",""]]]],"objectClassName":"entity"},{"links":[{"rel":"self","href":"https://rdap.identitydigital.services/rdap/entity/805025","type":"application/rdap+json","value":"https://rdap.identitydigital.services/rdap/entity/805025"},{"rel":"about","href":"https://rdap.identitydigital.services/rdap","type":"application/rdap+json","value":""}],"roles":["registrar"],"handle":"805025","publicIds":[{"type":"IANA Registrar ID","identifier":"805025"}],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Zenaida.cate.ai"]]],"objectClassName":"entity"}],"secureDNS":{"maxSigLife":1,"delegationSigned":false},"nameservers":[{"handle":"bd46771ae3c04d898b57b8412fdee701-DONUTS","status":["associated"],"ldhName":"melissa.ns.cloudflare.com","unicodeName":"melissa.ns.cloudflare.com","objectClassName":"nameserver"},{"handle":"8166e2e35b884dc4b3e7a2d6b6219ae7-DONUTS","status":["associated"],"ldhName":"roman.ns.cloudflare.com","unicodeName":"roman.ns.cloudflare.com","objectClassName":"nameserver"}],"unicodeName":"fast.ai","objectClassName":"domain","rdapConformance":["rdap_level_0","icann_rdap_response_profile_1","icann_rdap_technical_implementation_guide_1"]}} | Domain is active |
| chalkbeat.org | org | org | ICANN | HTTP 200 | 75.2.16.203 | US | {"reddit":["https://reddit.com/user/chalkbeat"],"bluesky":["https://bsky.app/profile/chalkbeat.org"],"threads":["https://threads.net/@chalkbeatorg"],"youtube":["https://youtube.com/channel/UCGuhR9I9ZN6VYalm3P7eMfA"],"facebook":["https://facebook.com/Chalkbeat"],"linkedin":["https://linkedin.com/company/chalkbeat"],"instagram":["https://instagram.com/chalkbeatorg"],"pinterest":["https://pinterest.com/chalkbeat"],"x-twitter":["https://twitter.com/chalkbeat"]} | 2026-05-02 | RSS, Nginx, Akamai, Nativo, Polyfill 3, OpenResty, Cloudflare, Google Ads, Open Graph, Facebook Pixel | 2026-05-29 | TRUE | {"A":["75.2.16.203","99.83.179.9"],"MX":[{"host":"alt1.aspmx.l.google.com","priority":5},{"host":"alt2.aspmx.l.google.com","priority":5},{"host":"aspmx.l.google.com","priority":1},{"host":"aspmx2.googlemail.com","priority":10},{"host":"aspmx3.googlemail.com","priority":10}],"NS":["logan.ns.cloudflare.com","vera.ns.cloudflare.com"],"SOA":{"mname":"logan.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2405049175,"minimum":1800,"refresh":10000},"TXT":["00Di0000000HKXp=1TBPc00000001aP","0ed1fe018acb5c22f6f9b94f008fea66f2d3c72362","1password-site-verification=WJ7QCUDARJDHLARLZEJZC6N2BA","98q2tqo1brp4mh7e8ag2sk16gh","ZOOM_verify_ar7z47rsz9IGXgdltvkPa0","_1b5bukny8qiohr9cfdpef4ubkrla786","anthropic-domain-verification-rdw96p=Yo6UTYexueT0mDPnQJ7PA2cQE","apple-domain-verification=F4WwgSn1BYbC9r3d","atlassian-domain-verification=zzlkIe77HjTp/an5s8OhjUhAnoovg1di6jL7eHhzZP1OSI6Qm2WExHFGnDBDwhT5","canva-site-verification=nyoOmWNaKDLQtwR-m3yAaQ","facebook-domain-verification=1mcerlvxsnv02psfis8hlxy69dgoea","google-site-verification=gEFrcVio2NF7pSRAxJZGjLWN0rSwtuR297s5AlpwT90","google-site-verification=jb8Ex7DPHlaGuLoiNL8K8BkFgvKCTUsLpapsc3Aa88g","google-site-verification=lgghkvHU3wcOClprPI6d89dN975aQyaHZbMx4Cgttp0","google-site-verification=pfXcEFhRtUkBDK2tTkcE0AZXC21VaO50G-JHbwA4Byc","google-site-verification=rZW215Cs_EhiHwXuQaM3DfM6TOoCkMnGGssAli7xZHs","google-site-verification=uh0CeIfTcgKOGGjlU0rNqXsziOeY_jYrZe1vLg0nB68","knowbe4-site-verification=886fe3ac92a7cc7ceac266225bf97ade","openai-domain-verification=dv-NuXKT6PDFLzWEd07lOn35HLY","slack-domain-verification=qZy8hLra91tT4lXnqPq8Cy7XZcIa28nFUxRF7aqS","tollbit-domain-verification=4120c17dd30ef1e7d173416f4077a238dec31b0a9c9977f52165e2ab8d5d8284","v=spf1 include:_spf.google.com include:a3q4451o9x.powerspf.com ~all"]} | 0.00000140668 | 17,245,566 | 2025-06-20 | RDAP | 2013-07-08 | 2026-07-08 | 2025-06-20 | Cloudflare, Inc. | {"raw_response":{"links":[{"rel":"related","href":"https://rdap.cloudflare.com/rdap/v1/domain/chalkbeat.org","type":"application/rdap+json","value":"https://rdap.cloudflare.com/rdap/v1/domain/chalkbeat.org"},{"rel":"self","href":"https://rdap.publicinterestregistry.org/rdap/domain/chalkbeat.org","type":"application/rdap+json","value":"https://rdap.publicinterestregistry.org/rdap/domain/chalkbeat.org"}],"events":[{"eventDate":"2023-05-25T14:08:26.801Z","eventAction":"transfer"},{"eventDate":"2026-07-08T22:49:05.082Z","eventAction":"expiration"},{"eventDate":"2013-07-08T22:49:05.082Z","eventAction":"registration"},{"eventDate":"2025-06-13T04:11:43.825Z","eventAction":"last changed"},{"eventDate":"2025-06-20T14:09:12.134Z","eventAction":"last update of RDAP database"}],"handle":"61a7b5473bf744aca6edc024d984c4a8-LROR","status":["client transfer prohibited"],"ldhName":"chalkbeat.org","notices":[{"links":[{"rel":"alternate","href":"https://thenew.org/org-people/about-pir/policies/","type":"text/html","value":"https://rdap.publicinterestregistry.org/rdap/domain/chalkbeat.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. 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Showing 5 of 19,593 rows · Technologies · Full website tech stack per site — CMS, payments, analytics, frameworks.
+ 4 datasets don't carry the Technologies column.
Polyfill sites by country
| Country | Sites | % of country web |
|---|---|---|
| 🇺🇸 United States | 7,911 | — |
| 🇩🇪 Germany | 1,957 | — |
| 🇯🇵 Japan | 1,820 | — |
| 🇫🇷 France | 984 | — |
| 🇬🇧 United Kingdom | 713 | — |
Polyfill sites by TLD
Version distribution
Detected Polyfill versions across all 19,593 sites.
| Version | Sites | Share |
|---|---|---|
| 3 | 13,447 | 70.5% |
| 2 | 5,587 | 29.3% |
| 1 | 32 | 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 19,593-site list — or grab a free preview first.
Frequently asked questions
How many websites use Polyfill?
webatla detects Polyfill on 20K 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. Pay once for one month, no subscription; 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.
Related technologies