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 |
|---|---|---|---|
| directorydepo.com | #391,296 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| directory-broker.com | #391,301 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| cht.com | #391,317 | Apache, DigiCert, Fancybox + 4 more | Find emails |
| #563 (Tranco) |
| Find emails |
| 5 | dreamhost.com | #677 (Tranco) | Find emails |
| imn.ac.cr | #391,348 | Apache, Bootstrap, Font Awesome + 5 more | Find emails |
| polter.pl | #391,365 | AddThis, Blogger, Cloudflare + 12 more | Find emails |
| 889993445.xyz | #391,389 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| 889993167.xyz | #391,452 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| wintechblog.co.uk | #391,486 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| edudip.market | #391,501 | DoubleClick (Google Ads), Envoy, Fancybox + 7 more | Find emails |
| 889993459.xyz | #391,547 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| collectivehealth.com | #391,573 | Akamai edge/CDN, Akamai mPulse, Amazon Route 53 + 18 more | Find emails |
| nuvomagazine.com | #391,651 | AddToAny, Backbone.js, Cloudflare Bot Management + 17 more | Find emails |
| lindersoft.com | #391,695 | Apache, Fancybox, Let's Encrypt + 3 more | Find emails |
| revistaideasmundo.mx | #391,745 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| domigr.com.ua | #391,750 | Fancybox, Google Ads Conversion, Google Analytics + 11 more | Find emails |
| iusport.com | #391,751 | Apache, Bluesky, Bootstrap + 14 more | Find emails |
| murciaeconomia.com | #391,771 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 13 more | Find emails |
| cyberdns.nl | #391,778 | Google Analytics, Google Fonts, Google Tag Manager + 6 more | Find emails |
| citysports.de | #391,896 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 12 more | Find emails |
| lviv.travel | #391,919 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 4 more | Find emails |
| supremeblackjackcentral.com | #391,951 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| timberland.com.cn | #391,972 | Akamai Edge DNS, Baidu Analytics, Google Analytics + 6 more | Find emails |
| brazosportregionalfmc.org | #391,997 | ASP.NET, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| advancedbet.ca | #391,998 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| misp.io | #392,039 | ASP.NET, Bootstrap, Google Analytics + 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 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 →