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 |
|---|---|---|---|
| milanihome.it | #584,239 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 14 more | Find emails |
| emera.com | #584,241 | ASP.NET, Azure DNS, Bootstrap + 8 more | Find emails |
| transportstyling.se | #584,420 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 8 more | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | python.org | #747 (Tranco) | Find emails |
| zennetworkmax.nl | #584,490 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 5 more | Find emails |
| makery.info | #584,656 | Google Analytics, Google Tag Manager, Let's Encrypt + 4 more | Find emails |
| limetray.com | #584,711 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 15 more | Find emails |
| caribebay.it | #584,713 | Bootstrap, Cloudflare edge/CDN, Drupal + 4 more | Find emails |
| pixelartmaker.com | #584,822 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 5 more | Find emails |
| zazitky.cz | #584,861 | Cloudflare, Google Fonts, Google Tag Manager + 4 more | Find emails |
| saos.org.pl | #584,907 | Bootstrap, Matomo, Moment.js + 2 more | Find emails |
| peakfortunecapital.com | #584,952 | AOS, Bootstrap, Font Awesome + 2 more | Find emails |
| ricpic.com | #585,157 | ASP.NET, Blogger, Bootstrap + 8 more | Find emails |
| seven.io | #585,200 | Font Awesome, Google Analytics, Google Maps + 6 more | Find emails |
| voileblanche.com | #585,203 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 15 more | Find emails |
| click-servers.com | #585,204 | Fancybox, Google Analytics, Google Fonts + 2 more | Find emails |
| gamblelounge.us | #585,296 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 6 more | Find emails |
| spin-off.fr | #585,339 | Google AdSense, Google Analytics, Google Fonts + 6 more | Find emails |
| belnotary.by | #585,393 | Nginx, PHP, Slick Carousel + 1 more | Find emails |
| cityofglendora.org | #585,409 | ASP.NET, Akamai Bot Manager, Akamai mPulse + 4 more | Find emails |
| wamon.org | #585,443 | Font Awesome, Google Analytics, Let's Encrypt + 4 more | Find emails |
| datoid.cz | #585,465 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 5 more | Find emails |
| animista.net | #585,470 | Let's Encrypt, DigitalOcean | Find emails |
| thebroadcastbridge.com | #585,488 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 5 more | Find emails |
| ashleywaller.co.uk | #585,575 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 10 more | Find emails |
| itatonline.org | #585,612 | Fastmail, Font Awesome, Google AdSense + 6 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 →