JavaScript Library & Framework
27,702 of the 1,000,000 top sites in our Tranco top-1M census run Modernizr (2.8%). 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 |
|---|---|---|---|
| 889993435.xyz | #360,446 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| luckyvault.de | #360,447 | Bootstrap, Contabo Object Storage, Fancybox + 6 more | Find emails |
| pronovatrend.se | #360,459 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | dreamhost.com | #677 (Tranco) | Find emails |
| zensignal.de | #360,467 | Bootstrap, Contabo Object Storage, Fancybox + 6 more | Find emails |
| yorknotes.com | #360,492 | ASP.NET, Bootstrap, Cloudflare + 12 more | Find emails |
| terrabonusgroup.nl | #360,494 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| digitaleel.com | #360,499 | Bootstrap, Google Analytics, Google Hosted Libraries + 9 more | Find emails |
| 889993469.xyz | #360,504 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| openway.us | #360,530 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| luckyarena.nl | #360,546 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| visionvipnetwork.nl | #360,552 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| elections.am | #360,567 | ASP.NET, Bootstrap, Cloudflare + 9 more | Find emails |
| openridge.us | #360,622 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| deltarouletteworks.nl | #360,654 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| sfi.ie | #360,786 | Font Awesome, Google Fonts, Google Maps + 3 more | Find emails |
| urbanroyalstation.com | #360,816 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| ideasdiariasblog.mx | #360,856 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| zenpath.us | #360,865 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| goldarena.nl | #360,870 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 9 more | Find emails |
| livepepper.com | #360,917 | Calendly, Font Awesome, Foundation + 13 more | Find emails |
| spinspins.us | #360,921 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| slotfocus.nl | #360,964 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| 889993500.xyz | #360,981 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| casasymas.com.uy | #361,004 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 14 more | Find emails |
| tcservis.cz | #361,010 | Apache, Font Awesome, Google Fonts + 8 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-2026-08-25-full-v2), snapshot August 29, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →