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 |
|---|---|---|---|
| code-industry.net | #478,198 | Bootstrap, Font Awesome, Google Analytics + 5 more | Find emails |
| effective-group.ru | #478,234 | Let's Encrypt, Nginx, Webflow + 1 more | Find emails |
| barnaclinic.com | #478,265 | Google Analytics, Google Maps, Google Tag Manager + 7 more | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | python.org | #747 (Tranco) | Find emails |
| mse.nhs.uk | #478,310 | Let's Encrypt, Microsoft 365, jQuery + 1 more | Find emails |
| kwc.edu | #478,347 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 7 more | Find emails |
| residenz-muenchen.de | #478,363 | Let's Encrypt, Matomo, Splide + 2 more | Find emails |
| vdopel.ru | #478,380 | Bootstrap, Font Awesome, Nginx + 5 more | Find emails |
| soygrowers.com | #478,509 | Fastly, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| briarcliff.edu | #478,558 | ASP.NET, Amazon (ACM), Cloudflare + 3 more | Find emails |
| cbpsdirectory.com | #478,728 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 6 more | Find emails |
| homesni.com | #478,801 | ASP.NET, Adobe Fonts (Typekit), Google Ads Conversion + 4 more | Find emails |
| cakebycourtney.com | #478,806 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 7 more | Find emails |
| parolink.net | #478,876 | Bootstrap, Font Awesome, Google Fonts + 8 more | Find emails |
| hercanberra.com.au | #478,944 | Adobe Fonts (Typekit), Font Awesome, Google AdSense + 9 more | Find emails |
| impactlab.com | #479,143 | Blogger, Font Awesome, Google AdSense + 9 more | Find emails |
| nudistparadise.al | #479,152 | Cloudflare edge/CDN, Google Trust Services, Underscore.js + 3 more | Find emails |
| sbmgroup.mu | #479,536 | Adobe Fonts (Typekit), DigiCert, Drupal + 8 more | Find emails |
| mrbugmanpestcontrol.com | #479,544 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 6 more | Find emails |
| museeairespace.fr | #479,603 | Font Awesome, Google Fonts, Let's Encrypt + 9 more | Find emails |
| mediator.co.jp | #479,606 | Amazon CloudFront, Google Analytics, Google Fonts + 4 more | Find emails |
| americaneedsfatima.org | #479,665 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 12 more | Find emails |
| mbautospa.pl | #479,691 | Font Awesome, Google Analytics, Google Fonts + 5 more | Find emails |
| cardy.fr | #479,777 | Font Awesome, Google Analytics, Google Tag Manager + 5 more | Find emails |
| einza.com | #479,808 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| b2k.net | #479,810 | Bootstrap, Font Awesome, Google Fonts + 3 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 →