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 |
|---|---|---|---|
| alboweb.nl | #441,091 | Better Uptime, Bootstrap, DoubleClick (Google Ads) + 11 more | Find emails |
| suffieldacademy.org | #441,107 | Adobe Fonts (Typekit), Cloudflare Web Analytics, Cloudflare edge/CDN + 5 more | Find emails |
| ambiki.com | #441,110 | Hotwire Turbo, Let's Encrypt, Microsoft 365 + 5 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | gov.uk | #290 (Tranco) | Find emails |
| cvesd.org | #441,346 | AudioEye, Azure DNS, Cloudflare edge/CDN + 5 more | Find emails |
| fractureme.com | #441,365 | Adobe Fonts (Typekit), Amazon (ACM), Amazon CloudFront + 9 more | Find emails |
| gabestore.ru | #441,522 | Cloudflare, Let's Encrypt, Mail.ru Analytics (Top100) + 8 more | Find emails |
| jasapembersihkacagedung.net | #441,618 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 3 more | Find emails |
| putlocker.style | #441,624 | AddThis, Cloudflare, Cloudflare Web Analytics + 5 more | Find emails |
| nuri-kae.jp | #441,906 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| magellan.ai | #442,054 | AWS Lambda, Amazon CloudFront, Bootstrap + 20 more | Find emails |
| cohdb.com | #442,157 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 9 more | Find emails |
| thefoodcorridor.com | #442,169 | Ahrefs Analytics, Cloudflare, Cloudflare Bot Management + 17 more | Find emails |
| everymarket.uk | #442,466 | Google Cloud DNS, Google Trust Services, New Relic + 1 more | Find emails |
| birdvilleschools.net | #442,539 | AudioEye, Cloudflare edge/CDN, CrazyEgg + 7 more | Find emails |
| aurelie.tokyo | #442,565 | Amazon (ACM), Amazon Route 53, Google Analytics + 4 more | Find emails |
| vis.social | #442,641 | Let's Encrypt, React | Find emails |
| otetsutabi.com | #442,643 | Amazon (ACM), Amazon Route 53, Google Tag Manager + 1 more | Find emails |
| archaeo.social | #442,788 | Let's Encrypt, DigitalOcean | Find emails |
| autouncle.ro | #443,042 | Adform, Adnami, Amazon Advertising + 16 more | Find emails |
| unreasonablegroup.com | #443,043 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 5 more | Find emails |
| codigospromocionales.com | #443,280 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 3 more | Find emails |
| center-light.ru | #443,390 | Apache, Fancybox, Let's Encrypt + 1 more | Find emails |
| albanyny.gov | #443,392 | ASP.NET, Font Awesome, Google Tag Manager + 8 more | Find emails |
| leanstack.com | #443,447 | Cloudflare, Cloudflare Turnstile, Cloudflare edge/CDN + 7 more | Find emails |
| shippingbo.com | #443,449 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 12 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 →