JavaScript Library & Framework
26,986 of the 1,000,000 top sites in our Tranco top-1M census run Modernizr (2.7%). A JavaScript library that detects which HTML5/CSS3 features a browser supports, enabling progressive enhancement. Detection is homepage-level HTML/header fingerprinting, so a site can run Modernizr on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | mit.edu | #225 (Tranco) | Find emails |
| 2 | npr.org | #466 (Tranco) | Find emails |
| 3 | uk.com | #532 (Tranco) | Find emails |
| 4 | cornell.edu |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| clearhubway.us | #346,535 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| jackpotwelt.de | #346,563 | Bootstrap, Fancybox, Let's Encrypt + 6 more | Find emails |
| navarracapital.es | #346,586 | AddThis, Adobe Fonts (Typekit), Cloudflare + 24 more | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | dreamhost.com | #677 (Tranco) | Find emails |
| isecretshop.com | #346,616 | Apache, Bootstrap, Font Awesome + 10 more | Find emails |
| mundoideaspunto.mx | #346,673 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| cruisekings.co.uk | #346,675 | Cloudflare edge/CDN, CookieFirst, Google Analytics + 10 more | Find emails |
| pinupfiles.com | #346,718 | Bluesky, Bootstrap, Cloudflare + 12 more | Find emails |
| koofr.eu | #346,769 | Apache, Bluesky, Let's Encrypt + 1 more | Find emails |
| boldvista.us | #346,771 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| domainsguru.in | #346,773 | ASP.NET, Bootstrap, Font Awesome + 4 more | Find emails |
| energizeinnovation.fund | #346,794 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 10 more | Find emails |
| axosoft.com | #346,835 | ASP.NET, Cookiebot, Google Analytics + 6 more | Find emails |
| visionroyalonline.com | #346,983 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| harborfield.nl | #347,031 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| evateam.ru | #347,038 | Bootstrap, Font Awesome, Google Analytics + 14 more | Find emails |
| rapidcasinoexpress.com | #347,087 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| networkmark.nl | #347,100 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| flexcrest.ca | #347,117 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| somethingturquoise.com | #347,192 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 12 more | Find emails |
| zurich.ie | #347,201 | ASP.NET, Apache, Azure API Management + 9 more | Find emails |
| rudysbbq.com | #347,241 | ASP.NET, Azure API Management, Cloudflare edge/CDN + 12 more | Find emails |
| thesystemsthinker.com | #347,258 | Adobe Fonts (Typekit), Cloudflare Bot Management, Cloudflare edge/CDN + 6 more | Find emails |
| boldview.de | #347,292 | Bootstrap, Fancybox, Let's Encrypt + 5 more | Find emails |
| boldlane.de | #347,305 | Bootstrap, Fancybox, Let's Encrypt + 5 more | Find emails |
| carrierlogistics.com | #347,342 | All in One SEO, Cloudflare Bot Management, Cloudflare edge/CDN + 7 more | Find emails |
Showing the first 10,000matches — add a filter to narrow.
From the Crawlora Website Tech Stack Dataset, a homepage-level fingerprint of a 1,000,000-domain Tranco top-1M census (run top1m-2026-08-24-full), snapshot August 24, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →