Web Framework
13,475 of the 1,000,000 top sites in our Tranco top-1M census run Ruby on Rails (1.3%). A server-side web application framework written in Ruby, following a convention-over-configuration philosophy. Detection is homepage-level HTML/header fingerprinting, so a site can run Ruby on Rails on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | github.com | #29 (Tranco) | Find emails |
| 2 | snapchat.com | #123 (Tranco) | Find emails |
| 3 | apache.org | #125 (Tranco) | Find emails |
| 4 | w3.org |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| freeconferencecallhd.com | #447,289 | Google Analytics, Google Tag Manager, Microsoft Advertising (Bing UET) + 1 more | Find emails |
| ritmonexx.ru | #447,418 | Bootstrap, Fancybox, Font Awesome + 7 more | Find emails |
| partyof.wales | #447,447 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 8 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | gov.uk | #290 (Tranco) | Find emails |
| opera-online.com | #447,450 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 4 more | Find emails |
| gbaps.org | #447,463 | AudioEye, Cloudflare Web Analytics, Cloudflare edge/CDN + 5 more | Find emails |
| bliz.co | #447,611 | Google Fonts, Let's Encrypt, Mail.ru Analytics (Top100) + 6 more | Find emails |
| murfy.fr | #447,852 | AWS Lambda, Amazon (ACM), Amazon CloudFront + 9 more | Find emails |
| relationapp.jp | #447,895 | Amazon (ACM), Amazon Route 53, Nginx | Find emails |
| alldevotion.com | #447,942 | Let's Encrypt, New Relic, Webpack | Find emails |
| call-tracking.by | #447,960 | CookieYes, DDoS-Guard, Google Fonts + 7 more | Find emails |
| salzburgglobal.org | #447,963 | Apache, Font Awesome, Google Fonts + 10 more | Find emails |
| simucube.com | #448,052 | Apache, Google Fonts, Google Tag Manager + 14 more | Find emails |
| manpower.be | #448,255 | Amazon CloudFront, Cloudflare, Cloudflare edge/CDN + 4 more | Find emails |
| balance.it | #448,271 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 5 more | Find emails |
| summitappliance.com | #448,280 | Cloudflare, Cloudflare Turnstile, Cloudflare edge/CDN + 4 more | Find emails |
| salistregarage.com | #448,518 | Bootstrap, Cloudflare edge/CDN, Google Ads Conversion + 11 more | Find emails |
| negativereports.co.uk | #448,821 | Amazon Route 53, Let's Encrypt | Find emails |
| less.works | #449,217 | DigiCert, Google Analytics, Google Tag Manager + 7 more | Find emails |
| sayrhino.com | #449,298 | BambooHR, Cloudflare, Cloudflare edge/CDN + 10 more | Find emails |
| creditunion-financial.com | #449,398 | Amazon Route 53, Let's Encrypt | Find emails |
| petitions.net | #449,454 | Bootstrap, Cloudflare, Cloudflare Turnstile + 6 more | Find emails |
| yoshinogari.jp | #449,659 | Google Analytics, Google Fonts, Google Tag Manager | Find emails |
| tomballisd.net | #449,890 | Azure DNS, Cloudflare edge/CDN, Finalsite + 6 more | Find emails |
| hempmate.com | #450,004 | Apache, Bootstrap, DigiCert + 2 more | Find emails |
| ntathome.com | #450,229 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 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 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 →