Polyfill 1
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.
44 live Polyfill 1 sites, ready to export.
That's how many Polyfill 1 websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.
Open the Lead List ExporterEvery Polyfill 1 website we detected in the US.
Only sites where a personal, company-hosted email was found.
Sites with at least one personnel LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to Polyfill 1 websites on .com domains.
Only sites where an organisation phone number was found.
Polyfill 1 Complementary Technologies
Technologies frequently found with Polyfill 1.
Websites Using Polyfill 1
Live sites we caught running Polyfill 1 in the wild, straight from the latest crawl.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| impe.fi | 🇫🇮 Finland | Hetzner Online GmbH | July 26, 2026 |
| earpearp.com | 🇰🇷 South Korea | Korea Telecom | July 23, 2026 |
| projectsandsupplies.com | 🇺🇸 United States | Namecheap, Inc. | June 18, 2026 |
| pan.press | 🇺🇸 United States | Amazon.com, Inc. | June 18, 2026 |
| eggschool.co.jp | 🇯🇵 Japan | Amazon.com, Inc. | June 17, 2026 |
| krymski.com | 🇺🇸 United States | GitHub, Inc. | June 16, 2026 |
| helloalgo.co.kr | 🇰🇷 South Korea | Amazon.com, Inc. | June 15, 2026 |
| governance-compass.com | 🇩🇪 Germany | Amazon.com, Inc. | June 15, 2026 |
| sc.ac.kr | 🇰🇷 South Korea | SUSEONG COLLEGE | June 15, 2026 |
| snackly.co.uk | 🇬🇧 United Kingdom | DigitalOcean, LLC | June 15, 2026 |
Top Polyfill 1 Identifiers
Who is using Polyfill 1 and where: top five by detected sites.
Most Frequent Polyfill 1 Identifiers and Complementary Tech
Most frequently encountered identifiers for Polyfill 1 and its complementary technologies.
| Technology | Sites |
|---|---|
jQuery | 25 |
Nginx | 18 |
Google Hosted Libraries | 15 |
PHP | 15 |
Cloudflare | 13 |
cdnjs | 11 |
Google Analytics | 10 |
| HSTS | 10 |
Apache HTTP Server | 9 |
Modernizr | 9 |
Bootstrap | 7 |
Laravel | 7 |
Ubuntu | 6 |
jsDelivr | 6 |
Amazon Web Services | 5 |
Google Maps | 5 |
Google Tag Manager | 5 |
jQuery UI | 5 |
Amazon S3 | 4 |
YouTube | 4 |
|
jQuery CDN | 4 |
reCAPTCHA | 4 |
GitHub Pages | 3 |
Popper | 3 |
WordPress | 3 |
| Language | Sites |
|---|---|
| English | 17 |
| Korean | 5 |
| Russian | 3 |
| Chinese | 3 |
| Italian | 2 |
| Japanese | 2 |
| Polish | 2 |
| Spanish | 2 |
| Bosnian | 1 |
| German | 1 |
| Finnish | 1 |
| Lithuanian | 1 |
| Dutch | 1 |
| Tagalog | 1 |
| ASN | Sites |
|---|---|
| Amazon.com, Inc. | 11 |
| DigitalOcean, LLC | 3 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 3 |
| Hetzner Online GmbH | 3 |
| Cesena Net S.r.l. | 2 |
| Cloudflare, Inc. | 2 |
| Fastly, Inc. | 2 |
| Korea Telecom | 2 |
| Domain names registrar REG.RU, Ltd | 1 |
| GOPAS Solutions GmbH | 1 |
| GitHub, Inc. | 1 |
| Hosting Ukraine LTD | 1 |
| Hurricane Electric LLC | 1 |
| IONOS SE | 1 |
| Jsc ru-center | 1 |
| Jsc timeweb | 1 |
| LEASEWEB SINGAPORE PTE. LTD. | 1 |
| Leaseweb Deutschland GmbH | 1 |
| Leaseweb USA, Inc. | 1 |
| Namecheap, Inc. | 1 |
| OVH SAS | 1 |
| SUSEONG COLLEGE | 1 |
| ScaleUp Technologies GmbH & Co. KG | 1 |
| Universitaet Stuttgart | 1 |
| TLD | Sites |
|---|---|
| com | 20 |
| kr | 4 |
| de | 2 |
| org | 2 |
| ru | 2 |
| uk | 2 |
| be | 1 |
| cash | 1 |
| co | 1 |
| corsica | 1 |
| fi | 1 |
| im | 1 |
| in | 1 |
| io | 1 |
| jp | 1 |
| net | 1 |
| press | 1 |
| ua | 1 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 9 |
| 🇩🇪 Germany | 5 |
| 🇰🇷 South Korea | 5 |
| 🇨🇳 China | 3 |
| 🇷🇺 Russia | 3 |
| Unknown | 3 |
| 🇧🇪 Belgium | 2 |
| 🇬🇧 United Kingdom | 2 |
| 🇮🇹 Italy | 2 |
| 🇯🇵 Japan | 2 |
| 🇸🇬 Singapore | 2 |
| 🇦🇷 Argentina | 1 |
| 🇨🇴 Colombia | 1 |
| 🇫🇮 Finland | 1 |
| 🇫🇷 France | 1 |
| 🇮🇴 British Indian Ocean Territory | 1 |
| 🇺🇦 Ukraine | 1 |