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.
Other web framework
| # | 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 |
|---|---|---|---|
| nuovopay.com | #51,996 | Akamai edge/CDN, Cloudflare, Cloudflare edge/CDN + 11 more | Find emails |
| splitwise.com | #52,005 | Cloudflare, Cloudflare Turnstile, Cloudflare Web Analytics + 6 more | Find emails |
| skinsort.com | #52,022 | Cloudflare, Cloudflare Turnstile, Cloudflare edge/CDN + 8 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | gov.uk | #290 (Tranco) | Find emails |
| hs-augsburg.de | #52,074 | Envoy, Matomo | Find emails |
| storedgefms.com | #52,106 | Amazon Route 53, Cloudflare Bot Management, Cloudflare Web Analytics + 3 more | Find emails |
| jobteaser.com | #52,250 | Amazon CloudFront, Amazon Route 53, Atlassian Cloud + 18 more | Find emails |
| mysteryscience.com | #52,266 | Bugsnag, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| bookwhen.com | #52,315 | DigiCert, Font Awesome, Google Analytics + 8 more | Find emails |
| markup.io | #52,321 | Amazon (ACM), Amazon CloudFront, Amazon S3 + 17 more | Find emails |
| boat-ed.com | #52,332 | Cloudflare, Cloudflare edge/CDN, ConsentMo + 9 more | Find emails |
| memberful.com | #52,358 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 10 more | Find emails |
| arnoldclark.com | #52,375 | Let's Encrypt, New Relic, Webpack | Find emails |
| bikeindex.org | #52,603 | Bluesky, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| emailservice.io | #52,623 | Amazon (ACM), Amazon Route 53, Font Awesome + 2 more | Find emails |
| rieltor.ua | #52,624 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 8 more | Find emails |
| subaru.jp | #52,703 | Akamai Edge DNS, DigiCert, Google Tag Manager + 3 more | Find emails |
| desidime.com | #52,859 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 3 more | Find emails |
| webinabox.net.au | #52,865 | Apache, Google Analytics, Google Fonts + 7 more | Find emails |
| browsec.com | #52,874 | Amazon Route 53, Google Analytics, Google Tag Manager + 4 more | Find emails |
| eitvcloud.com | #52,975 | Amazon Route 53, Apache, Google Analytics + 3 more | Find emails |
| 3docean.net | #53,066 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| pronto.io | #53,082 | Amazon CloudFront, Amazon Route 53, Google Analytics + 10 more | Find emails |
| traveljoy.com | #53,229 | Amazon (ACM), Amazon Route 53, Google Tag Manager + 5 more | Find emails |
| serpapi.com | #53,254 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 6 more | Find emails |
| iota.cafe | #53,261 | Cloudflare, Discourse, Let's Encrypt + 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 →