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 |
|---|---|---|---|
| youteam.io | #666,692 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| lacostahills.com | #666,845 | Apache, Datadog, Google AMP + 5 more | Find emails |
| pulsd.com | #666,866 | Adobe Fonts (Typekit), Amazon (ACM), Amazon Route 53 + 15 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | gov.uk | #290 (Tranco) | Find emails |
| exler.fit |
| #666,936 |
| Bootstrap, Fancybox, Google Analytics + 11 more |
| Find emails |
| sociale.network | #667,128 | Cloudflare, Let's Encrypt | Find emails |
| spsiran.ir | #667,163 | AOS, Bootstrap, Font Awesome + 4 more | Find emails |
| mastodon.design | #667,341 | Let's Encrypt, React | Find emails |
| contactlenses.co.uk | #667,522 | ClickCease, Google Analytics, Google Tag Manager + 3 more | Find emails |
| disabled.social | #667,551 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 2 more | Find emails |
| ramcity.com.au | #667,713 | Cloudflare edge/CDN, Google Tag Manager, Let's Encrypt + 6 more | Find emails |
| bikeroar.com | #667,769 | Cloudflare, Cloudflare edge/CDN, DoubleClick (Google Ads) + 7 more | Find emails |
| xn--90aia9aifhdb2cxbdg.xn--p1ai | #667,824 | Hotwire Turbo, Let's Encrypt, Nginx + 2 more | Find emails |
| fonoma.com | #668,019 | Amplitude, Cloudflare, Cloudflare edge/CDN + 15 more | Find emails |
| rubygarage.org | #668,164 | AOS, Amazon CloudFront, Amazon S3 + 3 more | Find emails |
| aula.bg | #668,227 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 14 more | Find emails |
| motorlist.net | #668,265 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 9 more | Find emails |
| cookwithprincess.com | #668,354 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 2 more | Find emails |
| circumstances.run | #668,374 | Let's Encrypt | Find emails |
| halosecurity.com | #668,396 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 34 more | Find emails |
| bentraytech.com | #668,654 | Bootstrap, Google Analytics, Google Tag Manager + 9 more | Find emails |
| brandnooz.de | #668,945 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 13 more | Find emails |
| theopenscholar.com | #668,956 | Amazon (ACM), Amazon Route 53, Better Uptime + 17 more | Find emails |
| beis.gov.uk | #669,011 | Fastly, Microsoft 365, Nginx + 1 more | Find emails |
| ishtar-collective.net | #669,031 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 5 more | Find emails |
| songfinch.com | #669,081 | Amazon CloudFront, Cloudflare, Cloudflare Web Analytics + 5 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 →