JavaScript Library & Framework
16,473 of the 965,200 top sites in our Tranco top-1M census run Modernizr (1.7%). 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 |
|---|---|---|---|
| dentalcommunity.com.au | #534,165 | Bootstrap, Font Awesome, Google AdSense + 5 more | Find emails |
| reigate-banstead.gov.uk | #534,256 | Amazon (ACM), Font Awesome, Google Analytics + 5 more | Find emails |
| kmu.edu.pk | #534,288 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 3 more | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | python.org | #747 (Tranco) | Find emails |
| globalterminals.com | #534,309 | Bootstrap, Drupal, Google Analytics + 7 more | Find emails |
| visionreelsspace.com | #534,475 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 6 more | Find emails |
| education-ni.gov.uk | #534,483 | ConsentMo, Drupal, Google Fonts + 2 more | Find emails |
| visionclubpoint.com | #534,510 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 6 more | Find emails |
| modcluster.io | #534,527 | Cloudflare, Fastly, Google Analytics + 5 more | Find emails |
| azarplus.com | #534,622 | Google Analytics, Google Fonts, Google Tag Manager + 6 more | Find emails |
| 21pool.io | #534,753 | Google Analytics, Google Tag Manager, Let's Encrypt + 2 more | Find emails |
| teplicy.ru | #534,771 | Fancybox, Font Awesome, Let's Encrypt + 4 more | Find emails |
| suzette-shop.jp | #534,849 | Amazon CloudFront, Amazon Route 53, Google Analytics + 5 more | Find emails |
| fabi.it | #534,883 | Bootstrap, Fancybox, Font Awesome + 4 more | Find emails |
| usamvcluj.ro | #535,013 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 4 more | Find emails |
| ubhara.ac.id | #535,014 | Font Awesome, Laravel, Let's Encrypt + 5 more | Find emails |
| onion-net.com.tw | #535,062 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 4 more | Find emails |
| avalck.cl | #535,120 | Cloudflare, Cloudflare edge/CDN, Fancybox + 5 more | Find emails |
| snirh.gov.br | #535,170 | Amazon Route 53, Nginx, Sectigo + 1 more | Find emails |
| partypoker.es | #535,201 | Cloudflare Bot Management, Cloudflare edge/CDN, DigiCert + 1 more | Find emails |
| haneda-shopping.jp | #535,277 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 9 more | Find emails |
| mycouncillor.org.uk | #535,557 | Adobe Fonts (Typekit), Cloudflare, Cloudflare Web Analytics + 6 more | Find emails |
| nupp.edu.ua | #535,629 | Bootstrap, Google Analytics, Google Tag Manager + 6 more | Find emails |
| news-vest.ru | #535,663 | Bootstrap, Google Fonts, Let's Encrypt + 4 more | Find emails |
| parish.uk | #535,695 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 3 more | Find emails |
| nihonkotsu.co.jp | #535,751 | Bootstrap, DigiCert, Google Analytics + 4 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 965,200-domain Tranco top-1M census (run top1m-2026-08-20-full), snapshot August 21, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →