JavaScript Library & Framework
1,063 of the 1,000,000 top sites in our Tranco top-1M census run Polyfill.io (0.1%). A JavaScript polyfill service that served browser-compatibility shims to older or unsupported browsers from a CDN. Detection is homepage-level HTML/header fingerprinting, so a site can run Polyfill.io on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | theguardian.com | #192 (Tranco) | Find emails |
| 2 | guardian.co.uk | #2,366 (Tranco) | Find emails |
| 3 | thehindu.com | #2,899 (Tranco) | Find emails |
| 4 | bancointer.com.br |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| motomax.com.tr | #195,408 | Google Analytics, Google Fonts, Google Tag Manager + 4 more | Find emails |
| netsarang.com | #196,046 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 6 more | Find emails |
| tinely.com | #197,288 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| #4,979 (Tranco) |
| Find emails |
| 5 | toptoon.com | #9,168 (Tranco) | Find emails |
| sicurezzanazionale.gov.it | #198,491 | Matomo | Find emails |
| msri.org | #200,994 | Amazon (ACM), Amazon Route 53, Font Awesome + 7 more | Find emails |
| efood.dev | #201,583 | Cloudflare, Let's Encrypt, Next.js + 4 more | Find emails |
| perfumarie.com | #202,696 | Cloudflare edge/CDN, Google Analytics, Google Tag Manager + 8 more | Find emails |
| itagmedia.com | #203,026 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Analytics + 7 more | Find emails |
| friendslookingforbenefits.com | #203,632 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
| uhs.nhs.uk | #203,863 | Contensis, DigiCert, Microsoft 365 + 2 more | Find emails |
| rb24.com | #204,662 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 2 more | Find emails |
| hrb.tax | #205,973 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| sreeleathers.com | #207,259 | Cloudflare, Cloudflare edge/CDN, Let's Encrypt + 7 more | Find emails |
| sharenet.co.za | #208,045 | Apache, Bootstrap, Clicky + 14 more | Find emails |
| epclink.com | #210,016 | Amazon Route 53, DigiCert, Google Analytics + 8 more | Find emails |
| amoresentuarea.mx | #210,867 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
| beijosquentes.com | #211,081 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
| chatulmeulocal.com | #211,319 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
| clubpecadoras.com | #211,386 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
| femalechoice.pk | #211,974 | Cloudflare edge/CDN, Google Ads Conversion, Google Analytics + 6 more | Find emails |
| flerteperto.com.br | #212,010 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
| flirtczat.com | #212,014 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
| flirticzech.com | #212,016 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
| flirtpolski.com | #212,017 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
| flirtycanada.com | #212,018 | Apache, Font Awesome, Google Tag Manager + 3 more | Find emails |
From the Crawlora Website Tech Stack Dataset, a homepage-level fingerprint of a 1,000,000-domain Tranco top-1M census (run top1m-2026-08-25-full-v2), snapshot August 29, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →