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 |
|---|---|---|---|
| gl-events.com | #325,598 | CSC (Digital Brand Services), Cloudflare Bot Management, Cloudflare Web Analytics + 13 more | Find emails |
| brussels-charleroi-airport.com | #325,628 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 9 more | Find emails |
| visionlucky42.com | #325,733 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 6 more | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | dreamhost.com | #677 (Tranco) | Find emails |
| viperadigital.co.uk | #325,834 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| infiniteslotbase.com | #325,887 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 6 more | Find emails |
| mitsubishiforum.com | #325,892 | Blockthrough, Cloudflare, Cloudflare Turnstile + 14 more | Find emails |
| dialight.com | #325,957 | BrightEdge, BugHerd, Font Awesome + 11 more | Find emails |
| novaslot44.com | #326,038 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| nextblackjackspace.com | #326,056 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| dabpumps.com | #326,062 | Amazon (ACM), Amazon CloudFront, Bootstrap + 12 more | Find emails |
| stellarjackpotcentral.com | #326,176 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| fae.edu | #326,259 | Azure DNS, Bootstrap, Citrix NetScaler + 10 more | Find emails |
| live4d.sg | #326,268 | Google Fonts, Let's Encrypt, Microsoft IIS | Find emails |
| vegasprimeblog.nl | #326,272 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| firstmarkservices.com | #326,353 | Amazon Route 53, Bootstrap, Cloudflare Bot Management + 18 more | Find emails |
| ysi.com | #326,367 | ASP.NET, BrightEdge, CrazyEgg + 10 more | Find emails |
| nift.ac.in | #326,461 | Apache, Drupal, Font Awesome + 7 more | Find emails |
| tdar.org | #326,472 | Adobe Fonts (Typekit), Axios, Bootstrap + 20 more | Find emails |
| bibliothequedesameriques.com | #326,607 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 5 more | Find emails |
| ump.ac.za | #326,609 | ASP.NET, Bootstrap, Font Awesome + 8 more | Find emails |
| justice-ni.gov.uk | #326,627 | ConsentMo, Drupal, Google Fonts + 2 more | Find emails |
| agn.gob.pe | #326,732 | Bootstrap, DigiCert, Font Awesome + 5 more | Find emails |
| algoafm.co.za | #326,761 | Adobe Fonts (Typekit), Cloudflare, Cloudflare Web Analytics + 16 more | Find emails |
| asahi-u.ac.jp | #326,765 | Apache, Google Fonts, Google Tag Manager + 6 more | Find emails |
| cejil.org | #326,792 | Font Awesome, Google Analytics, Google Fonts + 9 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 →