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 |
|---|---|---|---|
| jacksonqueen.ca | #354,265 | Bootstrap, Cloudflare edge/CDN, Font Awesome + 14 more | Find emails |
| colmayor.edu.co | #354,310 | Amazon (ACM), Amazon CloudFront, Backbone.js + 10 more | Find emails |
| snowbeach.com | #354,317 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 9 more | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | dreamhost.com | #677 (Tranco) | Find emails |
| bendpetexpress.com | #354,320 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 11 more | Find emails |
| steadytrail.ca | #354,344 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 6 more | Find emails |
| globalitsources.com | #354,385 | Bootstrap, Fancybox, Font Awesome + 10 more | Find emails |
| metaclubspace.nl | #354,411 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| betabettingnetwork.nl | #354,551 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| axispath.de | #354,555 | Bootstrap, Fancybox, Let's Encrypt + 5 more | Find emails |
| flexview.ca | #354,586 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| themescamp.com | #354,636 | Bootstrap, Fancybox, Font Awesome + 10 more | Find emails |
| brightlineway.us | #354,754 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| petworks.com | #354,788 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 13 more | Find emails |
| jackpotbet.us | #354,832 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 6 more | Find emails |
| cybervipstudio.nl | #354,873 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| promotionpod.com | #354,949 | Amazon (ACM), Amazon Route 53, Bootstrap + 13 more | Find emails |
| casinoclub.us | #354,971 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| vistaalegre.com | #355,052 | ASP.NET, Didomi, Fancybox + 11 more | Find emails |
| chalier.net | #355,053 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 6 more | Find emails |
| appdevelopergroup-pack3.co | #355,060 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 9 more | Find emails |
| deshgujarat.com | #355,063 | AddThis, Cloudflare, Disqus + 11 more | Find emails |
| hirsat.hu | #355,077 | Apache, Bootstrap, DigiCert + 4 more | Find emails |
| boldtrail.ca | #355,085 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| supremepalacestudio.com | #355,111 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| rapidbet97.com | #355,114 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 6 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 →