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 |
|---|---|---|---|
| novaslot821.com | #374,428 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| spinslots.us | #374,447 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| moheri.gov.om | #374,458 | ASP.NET, jQuery | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | dreamhost.com | #677 (Tranco) | Find emails |
| default-host.net |
| #374,477 |
| Bootstrap, Font Awesome, Google Fonts + 2 more |
| Find emails |
| urbanspin96.com | #374,528 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| goldspace.nl | #374,541 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| 889993175.xyz | #374,542 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| omegagamingzone.nl | #374,704 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| zone-10.com | #374,734 | Drupal, Google Analytics, Let's Encrypt + 1 more | Find emails |
| focuscrest.ca | #374,756 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| steadyfocus.de | #374,786 | Bootstrap, Contabo Object Storage, Fancybox + 6 more | Find emails |
| hyperslotsstudio.com | #374,793 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| soyuzmash.ru | #374,813 | Bootstrap, Chart.js, Cloudflare + 13 more | Find emails |
| 889993352.xyz | #374,836 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| newcastle-staffs.gov.uk | #374,840 | Amazon (ACM), Azure DNS, Civic Cookie Control + 8 more | Find emails |
| dansk.nl | #374,856 | ASP.NET, Google Ads Conversion, Google Analytics + 8 more | Find emails |
| maidenhead-advertiser.co.uk | #374,868 | AddThis, Amazon (ACM), Amazon Advertising + 25 more | Find emails |
| llronline.com | #374,872 | ASP.NET, Google Analytics, Google Fonts + 5 more | Find emails |
| supportsystem.com | #374,878 | Amazon Route 53, Font Awesome, Google Analytics + 11 more | Find emails |
| genealogies-celebres.fr | #374,886 | Apache, Bootstrap, Font Awesome + 4 more | Find emails |
| ts-host.com | #374,921 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 4 more | Find emails |
| hypercasinolounge.nl | #374,925 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| in.fo | #374,952 | Bootstrap, Cloudflare, Fathom + 9 more | Find emails |
| anichkov.ru | #374,960 | Google Fonts, Let's Encrypt, PHP + 4 more | Find emails |
| 889993366.xyz | #374,971 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 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 29, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →