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 |
|---|---|---|---|
| shecodes.io | #302,004 | Bootstrap, Bugsnag, Cloudflare + 20 more | Find emails |
| fluentcommerce.com | #302,090 | Amazon CloudFront, Amazon Route 53, Bootstrap + 15 more | Find emails |
| makergear.com | #302,108 | Cloudflare edge/CDN, Google Ads Conversion, Google Analytics + 14 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | gov.uk | #290 (Tranco) | Find emails |
| pazienti.it | #302,133 | Adobe Fonts (Typekit), Amazon (ACM), Amazon CloudFront + 9 more | Find emails |
| algore.com | #302,143 | Adobe Fonts (Typekit), Amazon (ACM), Amazon Route 53 + 2 more | Find emails |
| gamer.now | #302,257 | Amazon (ACM), Amazon Route 53, Cloudflare Stream + 2 more | Find emails |
| elyzion.net | #302,318 | Gravatar, Let's Encrypt, jQuery | Find emails |
| mifel.com.mx | #302,333 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 8 more | Find emails |
| omo-ja.com | #302,530 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 6 more | Find emails |
| careerpark.jp | #302,710 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| geoma.space | #302,737 | Bootstrap, Google Tag Manager, Let's Encrypt + 3 more | Find emails |
| prmotion.me | #302,738 | Bootstrap, Cloudflare Turnstile, DDoS-Guard + 6 more | Find emails |
| technologyland.co.th | #302,767 | Amazon CloudFront, Apache, Atlassian Cloud + 14 more | Find emails |
| 99designs.es | #302,819 | Amazon (ACM), Amazon Route 53, Bugsnag + 3 more | Find emails |
| youdontneedwp.com | #302,862 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 3 more | Find emails |
| guiatelefone.com | #302,882 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 3 more | Find emails |
| tentonhammer.com | #302,905 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 6 more | Find emails |
| snitt.hu | #303,023 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 1 more | Find emails |
| ticketpro.co.za | #303,067 | Cloudflare, Cloudflare edge/CDN, DoubleClick (Google Ads) + 7 more | Find emails |
| conventionofstates.com | #303,118 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 8 more | Find emails |
| harpsfood.com | #303,121 | Amazon (ACM), Apache, Bootstrap + 15 more | Find emails |
| insights-hive.com | #303,128 | Amazon (ACM), Amazon Route 53, New Relic + 1 more | Find emails |
| ekodar.ru | #303,181 | Let's Encrypt, Nginx | Find emails |
| kyrene.org | #303,192 | Azure DNS, Cloudflare edge/CDN, Finalsite + 4 more | Find emails |
| rubular.com | #303,252 | BuySellAds, Cloudflare, Cloudflare Web Analytics + 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 →