JavaScript libraries
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Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.
Disclaimer: The data used in this report is collected from the current VersionDB release (February 2026) containing a total of 12,727,168 domains. All statistics reflect this dataset and do not claim to represent all websites globally.
Polyfill Complementary Technologies
Technologies frequently found with Polyfill.
Live Polyfill Sites
8.3k
Complementary Tech
956
Most Frequent Complementary Tech
Websites Using Polyfill
An unordered, non-ranked list generated from observed technology data.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| grupoinventia.es | 🇩🇪 Germany | IONOS SE | February 14, 2026 |
| nekocafekibunya.com | 🇯🇵 Japan | Xserver Inc. | February 13, 2026 |
| license.co.jp | 🇯🇵 Japan | KDDI Web Communications Inc. | February 13, 2026 |
| sibdosug.com | 🇳🇱 Netherlands | Serverel Inc. | February 13, 2026 |
| autoplast-syzran.ru | 🇷🇺 Russia | Megagroup.ru LLC | February 13, 2026 |
| teamsystems.net.au | Unknown | Cloudflare, Inc. | February 13, 2026 |
| cssass.com | 🇨🇳 China | Hangzhou Alibaba Advertising Co.,Ltd. | February 13, 2026 |
| ruegenfisch.de | 🇩🇪 Germany | IONOS SE | February 13, 2026 |
| lightdim.ru | 🇷🇺 Russia | Megagroup.ru LLC | February 13, 2026 |
| silvart.fi | 🇬🇧 United Kingdom | UpCloud Ltd | February 13, 2026 |
| emi-care.uk | 🇬🇧 United Kingdom | Heart Internet limited | February 13, 2026 |
| universalinsurance100.com | 🇺🇸 United States | Microsoft Corporation | February 13, 2026 |
| 25manna.se | 🇸🇪 Sweden | Microsoft Corporation | February 13, 2026 |
| kitchn.dk | 🇩🇰 Denmark | team.blue Denmark A/S | February 13, 2026 |
| territoriogeek.com.br | Unknown | Cloudflare, Inc. | February 13, 2026 |
| wirkaufendeinauto.at | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| bresculinair.nl | 🇳🇱 Netherlands | Signet B.V. | February 13, 2026 |
| spinera.com | 🇩🇪 Germany | Hetzner Online GmbH | February 13, 2026 |
| e-fik.com.pl | 🇵🇱 Poland | Dataspace P.s.a. | February 13, 2026 |
| halloonline.nl | 🇫🇷 France | Contabo GmbH | February 13, 2026 |
| 12raszter.hu | ðŸ‡ðŸ‡º Hungary | INTEGRITY Informatics Ltd. | February 13, 2026 |
| vinilville.com | 🇷🇺 Russia | Megagroup.ru LLC | February 13, 2026 |
| facials4k.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| virtuoart.com | 🇩🇪 Germany | Hetzner Online GmbH | February 13, 2026 |
| sugarvisuals.com | 🇱🇹 Lithuania | UAB Interneto vizija | February 13, 2026 |
| solunaterra.jp | 🇯🇵 Japan | Xserver Inc. | February 13, 2026 |
| silverparket.com | 🇷🇺 Russia | Beget LLC | February 13, 2026 |
| aoyamashika.com | 🇯🇵 Japan | Xserver Inc. | February 13, 2026 |
| sustainable-bus.com | 🇮🇹 Italy | Explorer Servizi S.R.L | February 13, 2026 |
| larutanatural.gob.ar | 🇦🇷 Argentina | Empresa Argentina de Soluciones Satelitales S.A. | February 13, 2026 |
| gachi.cn | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| ancientdnahub.com | 🇺🇸 United States | Liquid Web, L.L.C | February 13, 2026 |
| asobibamap.com | 🇯🇵 Japan | GMO Internet Group, Inc. | February 13, 2026 |
| brujodebrujos.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| restaurantgolnargess.ir | 🇫🇮 Finland | Hetzner Online GmbH | February 13, 2026 |
| hogslat.cn | 🇺🇸 United States | velia.net | February 13, 2026 |
| albico-tula.ru | 🇷🇺 Russia | Jsc timeweb | February 13, 2026 |
| clo2.green | 🇫🇷 France | OVH SAS | February 13, 2026 |
| tymshinjoclub.com | 🇯🇵 Japan | Xserver Inc. | February 13, 2026 |
| aptuno.com | 🇺🇸 United States | Google LLC | February 13, 2026 |
| xn--80ajamk2af8cf.xn--p1ai | 🇷🇺 Russia | Megagroup.ru LLC | February 13, 2026 |
| masscheleinbvba.be | 🇫🇮 Finland | UpCloud Ltd | February 13, 2026 |
| rtkitchen.com | 🇺🇸 United States | IONOS SE | February 13, 2026 |
| wizard-tt.co.jp | 🇯🇵 Japan | GMO Internet Group, Inc. | February 13, 2026 |
| auctionnow.bid | 🇺🇸 United States | Microsoft Corporation | February 13, 2026 |
| dtmed.kz | 🇰🇿 Kazakhstan | PS Internet Company LLP | February 13, 2026 |
| stephensflight.net | 🇺🇸 United States | TierPoint, LLC | February 6, 2026 |
| bitcoinbriefly.com | 🇺🇸 United States | DigitalOcean, LLC | February 6, 2026 |
| root-hq.com | 🇯🇵 Japan | SAKURA Internet Inc. | February 6, 2026 |
| prostenal.bg | 🇨🇿 Czech Republic | Quantcom, a.s. | February 6, 2026 |
Find Your Customers By Their Technologies
12,727,168 domains across 3,651 technologies. Ready for lead generation, market research, and security analysis.
Buy Now — $199.95 USDTop Polyfill Identifiers
Who is using Polyfill and where.
Countries
Top 5 most detected countries for Polyfill
ASNs
Top 5 most detected ASNs for Polyfill
Languages
Top 5 most detected Languages for Polyfill
TLDs
Top 5 most detected TLDs for Polyfill
Most Frequent Polyfill Identifiers and Complementary Tech
Most frequently encountered identifiers for Polyfill and its complementary technologies.
| Technology | Sites |
|---|---|
| jQuery | 5,666 |
| PHP | 4,425 |
| Nginx | 3,206 |
| Google Analytics | 2,844 |
| MySQL | 2,768 |
| WordPress | 2,718 |
| Bootstrap | 2,608 |
| Apache HTTP Server | 2,143 |
| HSTS | 2,106 |
| jsDelivr | 2,054 |
| Google Tag Manager | 2,033 |
| Cloudflare | 1,956 |
| jQuery Migrate | 1,955 |
| cdnjs | 1,703 |
| reCAPTCHA | 1,280 |
| Yoast SEO | 1,070 |
| Contact Form 7 | 1,032 |
| Slick | 993 |
| Unpkg | 930 |
| Google Hosted Libraries | 911 |
| Google Maps | 852 |
| Popper | 834 |
| jQuery CDN | 815 |
| HTTP/3 | 801 |
| Font Awesome | 744 |
| Varnish | 643 |
| jQuery UI | 597 |
| Fastly | 560 |
| GitHub Pages | 532 |
| Ubuntu | 529 |
| YouTube | 527 |
| OWL Carousel | 524 |
| Swiper | 489 |
| LiteSpeed | 474 |
| WooCommerce | 464 |
| Modernizr | 463 |
| Underscore.js | 425 |
| All in One SEO | 402 |
| Lightbox | 396 |
| WordPress Block Editor | 394 |
| Node.js | 385 |
| Vue.js | 370 |
| Microsoft ASP.NET | 369 |
| MDBootstrap | 364 |
| Amazon Web Services | 362 |
| Elementor | 352 |
| Magnific Popup | 313 |
| Typekit | 303 |
| Adobe Fonts | 303 |
| All in One SEO Pack | 292 |
| Language | Sites |
|---|---|
| English | 3,129 |
| Japanese | 1,183 |
| French | 667 |
| Russian | 520 |
| German | 503 |
| Latin | 396 |
| Dutch | 308 |
| Spanish | 307 |
| Italian | 302 |
| Chinese | 259 |
| Afrikaans | 198 |
| Tagalog | 180 |
| Portuguese | 175 |
| Polish | 159 |
| Czech | 126 |
| Persian | 116 |
| Swedish | 115 |
| Welsh | 107 |
| Danish | 96 |
| Catalan | 92 |
| Tsonga | 91 |
| Esperanto | 89 |
| Korean | 88 |
| Swahili | 86 |
| Norwegian Nynorsk | 85 |
| Yoruba | 78 |
| Hungarian | 78 |
| Norwegian Bokmål | 78 |
| Southern Sotho | 62 |
| Romanian | 59 |
| Shona | 58 |
| Finnish | 56 |
| Slovak | 55 |
| Lithuanian | 53 |
| Tswana | 50 |
| Turkish | 45 |
| Xhosa | 44 |
| Somali | 38 |
| Basque | 38 |
| Malay | 36 |
| Indonesian | 33 |
| Estonian | 33 |
| Bulgarian | 27 |
| Ukrainian | 26 |
| Arabic | 26 |
| Bosnian | 25 |
| Vietnamese | 23 |
| Croatian | 22 |
| Albanian | 21 |
| Slovenian | 21 |
| ASN | Sites |
|---|---|
| Amazon.com, Inc. | 1,050 |
| Fastly, Inc. | 644 |
| Xserver Inc. | 429 |
| OVH SAS | 368 |
| GMO Internet Group, Inc. | 297 |
| DigitalOcean, LLC | 296 |
| Cloudflare, Inc. | 267 |
| Hetzner Online GmbH | 261 |
| Google LLC | 255 |
| Microsoft Corporation | 213 |
| Hostinger International Limited | 207 |
| SAKURA Internet Inc. | 206 |
| IONOS SE | 162 |
| Megagroup.ru LLC | 159 |
| GoDaddy.com, LLC | 100 |
| Akamai Connected Cloud | 74 |
| Jsc timeweb | 72 |
| Combell NV | 66 |
| Host Europe GmbH | 64 |
| Domain names registrar REG.RU, Ltd | 63 |
| Beget LLC | 59 |
| Infomaniak Network SA | 58 |
| Aruba S.p.A. | 52 |
| PrivateSystems Networks | 47 |
| Contabo GmbH | 45 |
| The Constant Company, LLC | 43 |
| Signet B.V. | 43 |
| New Dream Network, LLC | 40 |
| Cyber_Folks S.A. | 40 |
| Strato GmbH | 38 |
| Akamai International B.V. | 37 |
| Neue Medien Muennich GmbH | 37 |
| INTEGRITY Informatics Ltd. | 36 |
| Namecheap, Inc. | 35 |
| Cloudflare London, LLC | 33 |
| O2switch SAS | 32 |
| Liquid Web, L.L.C | 29 |
| GMO GlobalSign Holdings K.K. | 29 |
| UK Dedicated Servers Limited | 27 |
| WebSupport s.r.o. | 27 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 25 |
| Scaleway S.a.s. | 24 |
| Datacamp Limited | 23 |
| team.blue Denmark A/S | 23 |
| InMotion Hosting, Inc. | 22 |
| Korea Telecom | 22 |
| JSC Selectel | 21 |
| Global Network Core Co.,Ltd. | 19 |
| UpCloud Ltd | 19 |
| Alibaba US Technology Co., Ltd. | 19 |
| TLD | Sites |
|---|---|
| com | 3,245 |
| ru | 405 |
| org | 340 |
| jp | 313 |
| de | 256 |
| co.uk | 220 |
| fr | 204 |
| github.io | 193 |
| co.jp | 191 |
| net | 187 |
| nl | 177 |
| it | 137 |
| cz | 102 |
| pl | 97 |
| be | 95 |
| ch | 90 |
| eu | 90 |
| ca | 73 |
| com.br | 72 |
| hu | 67 |
| se | 61 |
| com.au | 56 |
| ir | 54 |
| io | 46 |
| info | 42 |
| no | 41 |
| in | 41 |
| dk | 39 |
| es | 39 |
| co | 39 |
| sk | 34 |
| gr | 33 |
| co.kr | 31 |
| me | 31 |
| at | 28 |
| fi | 28 |
| cn | 27 |
| xyz | 24 |
| co.nz | 24 |
| ro | 23 |
| pt | 22 |
| xn--p1ai | 21 |
| or.jp | 20 |
| pro | 16 |
| shop | 16 |
| ee | 16 |
| ai | 15 |
| by | 15 |
| com.tw | 15 |
| kr | 15 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 2,546 |
| 🇯🇵 Japan | 1,223 |
| 🇩🇪 Germany | 661 |
| 🇫🇷 France | 579 |
| 🇷🇺 Russia | 498 |
| 🇬🇧 United Kingdom | 352 |
| 🇳🇱 Netherlands | 283 |
| 🇮🇹 Italy | 117 |
| 🇵🇱 Poland | 115 |
| 🇮🇪 Ireland | 106 |
| 🇨🇿 Czech Republic | 103 |
| 🇨🇠Switzerland | 101 |
| 🇮🇷 Iran | 93 |
| 🇰🇷 South Korea | 92 |
| 🇨🇦 Canada | 88 |
| 🇮🇳 India | 85 |
| 🇧🇪 Belgium | 75 |
| 🇦🇺 Australia | 71 |
| 🇪🇸 Spain | 71 |
| ðŸ‡ðŸ‡º Hungary | 70 |
| 🇸🇬 Singapore | 63 |
| 🇫🇮 Finland | 55 |
| 🇧🇷 Brazil | 51 |
| 🇨🇳 China | 46 |
| 🇩🇰 Denmark | 46 |
| 🇸🇪 Sweden | 44 |
| ðŸ‡ðŸ‡° Hong Kong | 38 |
| 🇸🇰 Slovakia | 35 |
| 🇹🇷 Turkey | 31 |
| 🇹🇼 Taiwan | 25 |
| 🇮🇩 Indonesia | 23 |
| 🇱🇹 Lithuania | 21 |
| 🇻🇳 Vietnam | 20 |
| 🇪🇪 Estonia | 19 |
| 🇧🇾 Belarus | 15 |
| 🇳🇴 Norway | 15 |
| 🇧🇬 Bulgaria | 15 |
| 🇹🇠Thailand | 14 |
| 🇦🇹 Austria | 14 |
| 🇺🇦 Ukraine | 12 |
| 🇷🇴 Romania | 12 |
| 🇳🇿 New Zealand | 12 |
| 🇿🇦 South Africa | 11 |
| 🇲🇩 Moldova | 9 |
| 🇵🇹 Portugal | 9 |
| 🇺🇿 Uzbekistan | 9 |
| 🇰🇿 Kazakhstan | 6 |
| 🇬🇷 Greece | 5 |
| 🇸🇮 Slovenia | 5 |
| 🇱🇺 Luxembourg | 4 |
| 🇦🇷 Argentina | 4 |
| 🇮🇸 Iceland | 3 |
| 🇷🇸 Serbia | 3 |
| 🇱🇻 Latvia | 3 |
| 🇬🇪 Georgia | 2 |
| 🇨🇴 Colombia | 2 |
| 🇸🇦 Saudi Arabia | 2 |
| ðŸ‡ðŸ‡· Croatia | 2 |
| 🇲🇽 Mexico | 2 |
| 🇧🇠Bahrain | 2 |
| 🇦🇪 United Arab Emirates | 2 |
| 🇸🇻 El Salvador | 1 |
| 🇩🇴 Dominican Republic | 1 |
| 🇧🇩 Bangladesh | 1 |
| 🇱🇧 Lebanon | 1 |
| 🇨🇬 Republic of the Congo | 1 |
| 🇪🇨 Ecuador | 1 |
| 🇲🇦 Morocco | 1 |
| 🇧🇳 Brunei | 1 |
| 🇰🇬 Kyrgyzstan | 1 |
| 🇵🇾 Paraguay | 1 |
| 🇧🇼 Botswana | 1 |
| 🇲🇻 Maldives | 1 |
| 🇮🇱 Israel | 1 |
| 🇵🇪 Peru | 1 |
| 🇲🇾 Malaysia | 1 |
| 🇻🇪 Venezuela | 1 |
| 🇪🇬 Egypt | 1 |
| 🇨🇱 Chile | 1 |
| 🇵🇰 Pakistan | 1 |