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 |
|---|---|---|---|
| ticketsbookmarks.com | #172,713 | Bootstrap, Cloudflare, Cloudflare Bot Management + 9 more | Find emails |
| chevroletforum.com | #172,804 | Cloudflare, Cloudflare Turnstile, Cloudflare Web Analytics + 17 more | Find emails |
| livebackpage.com | #172,869 | Bootstrap, Cloudflare, Cloudflare Bot Management + 9 more | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | dreamhost.com | #677 (Tranco) | Find emails |
| tjac.jus.br | #172,942 | Bootstrap, Elementor, Font Awesome + 8 more | Find emails |
| boltingtools.cn | #172,978 | CNZZ, Microsoft IIS, jQuery | Find emails |
| customergauge.com | #173,014 | Ahrefs Analytics, Amazon Route 53, Bootstrap + 15 more | Find emails |
| jcb.com.br | #173,089 | AddThis, Cloudflare, Cloudflare edge/CDN + 11 more | Find emails |
| bookmarklethq.com | #173,115 | Bootstrap, Cloudflare, Cloudflare Bot Management + 9 more | Find emails |
| tripsbookmarks.com | #173,148 | Bootstrap, Cloudflare, Cloudflare Bot Management + 9 more | Find emails |
| skillsforcare.org.uk | #173,178 | ASP.NET, Bootstrap, Cloudflare Bot Management + 8 more | Find emails |
| novogar.com.ar | #173,233 | ASP.NET, Cloudflare, Cloudflare edge/CDN + 12 more | Find emails |
| pr1bookmarks.com | #173,264 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| theorie-leren.nl | #173,270 | Apache, Flying Press, Font Awesome + 12 more | Find emails |
| infomaker.io | #173,342 | Amazon Route 53, Google Analytics, Google Fonts + 6 more | Find emails |
| myservlink.com | #173,364 | Bootstrap, Font Awesome, Google Fonts + 4 more | Find emails |
| kansaimiraibank.co.jp | #173,374 | Akamai Edge DNS, DigiCert, Google Tag Manager + 3 more | Find emails |
| schemesofwork.com | #173,599 | Bootstrap, Cloudflare, Cloudflare Turnstile + 16 more | Find emails |
| sedaptogel.com | #173,600 | Bootstrap, Cloudflare, Cloudflare Bot Management + 13 more | Find emails |
| riskandinsurance.com | #173,629 | Adobe Fonts (Typekit), Amazon Route 53, Cloudflare Bot Management + 10 more | Find emails |
| posthaven.com | #173,670 | Amazon Route 53, Font Awesome, Google Analytics + 10 more | Find emails |
| improveverywhere.com | #173,733 | Font Awesome, Google Analytics, Google Fonts + 8 more | Find emails |
| hujanyuan.com | #173,772 | Bootstrap, Cloudflare, Cloudflare Bot Management + 16 more | Find emails |
| toktom.kg | #173,781 | ASP.NET, Google Analytics, Microsoft IIS + 2 more | Find emails |
| ra-don.ru | #173,788 | Bootstrap, Chart.js, Drupal + 10 more | Find emails |
| siambookmark.com | #173,819 | Bootstrap, Cloudflare, Cloudflare Bot Management + 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-2026-08-25-full-v2), snapshot August 25, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →