CAPTCHA & Bot Protection
91,344 of the 1,000,000 top sites in our Tranco top-1M census run reCAPTCHA (9.1%). Google's CAPTCHA/bot-scoring widget, the most widely deployed CAPTCHA by far. Detection is homepage-level HTML/header fingerprinting, so a site can run reCAPTCHA on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | snapchat.com | #123 (Tranco) | Find emails |
| 2 | apache.org | #125 (Tranco) | Find emails |
| 3 | one.one | #160 (Tranco) | Find emails |
| 4 | w3.org |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| nu.edu.pk | #71,752 | AOS, ASP.NET, Bootstrap + 15 more | Find emails |
| lacadordeofertas.com.br | #71,754 | Amazon Route 53, Azion, Bootstrap + 8 more | Find emails |
| supervasco.com | #71,756 | Bluesky, Cloudflare, DoubleClick (Google Ads) + 12 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | taboola.com | #187 (Tranco) | Find emails |
| brasileirinhas.com.br | #71,764 | Bootstrap, Font Awesome, Google Analytics + 9 more | Find emails |
| puffco.com | #71,790 | Adobe Fonts (Typekit), Cloudflare edge/CDN, Let's Encrypt + 9 more | Find emails |
| easel.ly | #71,822 | Amazon Route 53, Bootstrap, Google Tag Manager + 7 more | Find emails |
| travefy.com | #71,860 | Adobe Fonts (Typekit), Amazon Route 53, Cloudflare Bot Management + 21 more | Find emails |
| promod.fr | #71,881 | Fastly, Varnish | Find emails |
| dunnesstores.com | #71,919 | Amazon CloudFront, Cloudflare, Google Tag Manager + 6 more | Find emails |
| neicon.ru | #71,933 | Bootstrap, Django, Google Fonts + 9 more | Find emails |
| msisurfaces.com | #71,950 | ASP.NET, Bootstrap, Google Fonts + 12 more | Find emails |
| deadlinefunnel.com | #71,958 | Cloudflare, Cloudflare edge/CDN, Google Fonts + 8 more | Find emails |
| myheritage.fr | #71,988 | Amazon CloudFront, Apache, ConsentMo + 5 more | Find emails |
| airsoft-verzeichnis.de | #71,998 | Bootstrap, Cloudflare, Font Awesome + 8 more | Find emails |
| andalucia.com | #71,999 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 14 more | Find emails |
| truenudists.com | #72,006 | Apache, Cloudflare Turnstile, Google Analytics + 4 more | Find emails |
| collabstr.com | #72,009 | ChatGPT Ads Pixel, Cloudflare, Cloudflare edge/CDN + 18 more | Find emails |
| cliveshoes.com | #72,013 | Cloudflare edge/CDN, Google Hosted Libraries, Google Maps + 5 more | Find emails |
| ytel.com | #72,029 | AOS, AdRoll, Cloudflare Bot Management + 18 more | Find emails |
| icoholder.com | #72,030 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 9 more | Find emails |
| svpsports.ca | #72,037 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 12 more | Find emails |
| managerzone.com | #72,059 | Cookiebot, Font Awesome, Let's Encrypt + 5 more | Find emails |
| to-portal.com | #72,060 | Font Awesome, Google Analytics, Google Fonts + 10 more | Find emails |
| txcourts.gov | #72,074 | ASP.NET, Azure DNS, Azure Front Door + 10 more | Find emails |
| jtexpress.my | #72,075 | Amazon CloudFront, Bootstrap, Cloudflare + 17 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 25, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →