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 |
|---|---|---|---|
| tv.ua | #421,888 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 13 more | Find emails |
| good-chip.com | #422,009 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 3 more | Find emails |
| muziker.fr | #422,228 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 4 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | gov.uk | #290 (Tranco) | Find emails |
| altaisport.ru | #422,261 | Google Fonts, Let's Encrypt, Mail.ru Analytics (Top100) + 3 more | Find emails |
| paiindustries.com | #422,366 | AWS Lambda, Amazon CloudFront, Atlassian Cloud + 14 more | Find emails |
| authsignal.com | #422,404 | AWS Lambda, Amazon (ACM), Amazon CloudFront + 18 more | Find emails |
| mpschools.org | #422,536 | Azure DNS, Cloudflare edge/CDN, Finalsite + 3 more | Find emails |
| financialresearch.gov | #422,694 | Amazon (ACM), Amazon CloudFront, Bootstrap + 5 more | Find emails |
| mteb.ru | #422,715 | Cloudflare, DDoS-Guard, Let's Encrypt + 2 more | Find emails |
| reviewofophthalmology.com | #422,777 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 9 more | Find emails |
| bioweather.net | #422,793 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 8 more | Find emails |
| prelaunch.com | #422,826 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 14 more | Find emails |
| youkandoit.com | #422,988 | Nginx, Angular, GoDaddy | Find emails |
| mergeek.com | #423,053 | Baidu Analytics, Let's Encrypt, Nginx | Find emails |
| alkimii.com | #423,115 | AOS, Amazon Route 53, Cloudflare Bot Management + 17 more | Find emails |
| fajans.lv | #423,162 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 9 more | Find emails |
| ultra-shop.com | #423,196 | AppsFlyer, Cloudflare, Cloudflare edge/CDN + 12 more | Find emails |
| weekly-jitsuwa.jp | #423,680 | Font Awesome, Google AdSense, Google Analytics + 9 more | Find emails |
| cpsb.org | #423,702 | AudioEye, Cloudflare Web Analytics, Cloudflare edge/CDN + 5 more | Find emails |
| travel-code.com | #423,802 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 10 more | Find emails |
| cometly.com | #423,811 | Amazon CloudFront, Amazon Route 53, Google Tag Manager + 7 more | Find emails |
| wedsites.com | #423,856 | Cloudflare edge/CDN, Google Analytics, Google Tag Manager + 9 more | Find emails |
| treesdirect.co.uk | #423,987 | Cloudflare, Cloudflare edge/CDN, Google Fonts + 7 more | Find emails |
| springest.co.uk | #424,008 | Amazon Route 53, Google Hosted Libraries, Mixpanel + 5 more | Find emails |
| vivt.ru | #424,060 | Bootstrap, DDoS-Guard, Font Awesome + 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 →