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 |
|---|---|---|---|
| ethio-arena.et | #77,887 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 8 more | Find emails |
| charlierose.com | #77,888 | Google Publisher Tag, Let's Encrypt, Meta Pixel + 6 more | Find emails |
| js88.com | #77,950 | Amazon (ACM), Amazon Route 53, Google AdSense + 11 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | gov.uk | #290 (Tranco) | Find emails |
| mailmunch.com | #77,965 | AWS Lambda, Calendly, Cloudflare + 20 more | Find emails |
| artworkarchive.com | #77,972 | Amazon CloudFront, Cloudflare, Cloudflare edge/CDN + 19 more | Find emails |
| blizko.by | #78,058 | Google Analytics, Mail.ru Analytics (Top100), Nginx + 3 more | Find emails |
| festalab.com.br | #78,120 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| casadosdados.com.br | #78,125 | Better Uptime, Cloudflare, Cloudflare Web Analytics + 17 more | Find emails |
| storyjumper.com | #78,207 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 11 more | Find emails |
| vrtxdata.com | #78,210 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| callpage.io | #78,217 | Amazon CloudFront, Amazon Route 53, Cloudflare edge/CDN + 4 more | Find emails |
| corotos.com.do | #78,225 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| divisare.com | #78,254 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| decidim.barcelona | #78,281 | Jitsi Meet, Nginx, Plausible + 2 more | Find emails |
| gocuotas.com | #78,323 | Cloudflare, Google Tag Manager, Intercom + 3 more | Find emails |
| ifin.kz | #78,413 | DoubleClick (Google Ads), Google AdSense, Google Fonts + 4 more | Find emails |
| gonkaku.jp | #78,438 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 6 more | Find emails |
| tetoru.net | #78,479 | Amazon (ACM), Amazon Route 53, Google Analytics + 3 more | Find emails |
| survivalinternational.org | #78,504 | Bluesky, Bugsnag, Cloudflare + 10 more | Find emails |
| smcb.jp | #78,570 | Amazon (ACM), Amazon Advertising, Amazon Route 53 + 14 more | Find emails |
| ringostat.com | #78,738 | AOS, All in One SEO, Bootstrap + 19 more | Find emails |
| convertkit-mail.com | #78,752 | Amazon Route 53, Cloudflare Bot Management, Cloudflare Web Analytics + 8 more | Find emails |
| magcomi.com | #78,801 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 11 more | Find emails |
| guidewire.com | #78,824 | Amazon CloudFront, Amazon Route 53, Atlassian Cloud + 15 more | Find emails |
| chillingeffects.org | #78,873 | Let's Encrypt, Matomo, Nginx + 1 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 →