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 |
|---|---|---|---|
| kasamba.com | #293,093 | Bugsnag, Cloudflare, Cloudflare Web Analytics + 9 more | Find emails |
| wholefoodsmagazine.com | #293,125 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 8 more | Find emails |
| cookfood.net | #293,158 | Amazon CloudFront, Bootstrap, Cloudflare Bot Management + 22 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | gov.uk | #290 (Tranco) | Find emails |
| solarmovie.id | #293,235 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 2 more | Find emails |
| gezondheidenwetenschap.be | #293,259 | AddThis, Google Analytics, Google Tag Manager + 7 more | Find emails |
| decc.gov.uk | #293,389 | Fastly, Microsoft 365, Nginx + 1 more | Find emails |
| fcards.ru | #293,458 | Font Awesome, Google Fonts, Nginx + 4 more | Find emails |
| myglue.com | #293,471 | Amazon (ACM), Amazon Route 53, Microsoft 365 + 3 more | Find emails |
| distancecalculator.io | #293,474 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 11 more | Find emails |
| ascii2d.net | #293,526 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| sanjuan.edu | #293,528 | AudioEye, Azure DNS, Cloudflare edge/CDN + 4 more | Find emails |
| biltapp.com | #293,539 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 7 more | Find emails |
| wordans.it | #293,570 | Cloudflare, Google Analytics, Google Fonts + 6 more | Find emails |
| mva.gov.ua | #293,602 | Bootstrap, Google Analytics, Google Tag Manager + 5 more | Find emails |
| vention.io | #293,674 | Azure API Management, Cloudflare, Cloudflare Turnstile + 19 more | Find emails |
| business-class.su | #293,721 | Bootstrap, Font Awesome, Let's Encrypt + 8 more | Find emails |
| ticketinghub.com | #293,749 | Cal.com, Cloudflare, Cloudflare edge/CDN + 11 more | Find emails |
| safestore.co.uk | #293,757 | ASP.NET, Amazon CloudFront, Cloudflare Web Analytics + 14 more | Find emails |
| fcps.net | #293,854 | Cloudflare Web Analytics, Cloudflare edge/CDN, DoubleClick (Google Ads) + 6 more | Find emails |
| teamer.net | #293,887 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 10 more | Find emails |
| mirus.com | #293,902 | Amazon CloudFront, Atlassian Cloud, Atlassian Statuspage + 17 more | Find emails |
| tricefy4.com | #293,981 | Amazon (ACM), Amazon Route 53, Hotwire Turbo + 1 more | Find emails |
| twingly.com | #293,987 | Amazon CloudFront, Atlassian Cloud, Atlassian Statuspage + 17 more | Find emails |
| olatheschools.com | #294,071 | ASP.NET, AudioEye, Cloudflare edge/CDN + 4 more | Find emails |
| gafshub.com | #294,239 | Cloudflare, Cloudflare edge/CDN, Discourse + 3 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 →