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.
Other captcha & bot protection
| # | 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 |
|---|---|---|---|
| sol.org.tr | #116,514 | Bluesky, Cloudflare, Cloudflare Web Analytics + 14 more | Find emails |
| oscardelarenta.com | #116,522 | Attentive, Cloudflare edge/CDN, Global-e + 9 more | Find emails |
| imagecollect.com | #116,535 | Amazon (ACM), Amazon Route 53, Apache + 8 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | taboola.com | #187 (Tranco) | Find emails |
| dssl.ru | #116,544 | Bitrix, BotFAQtor, Fancybox + 11 more | Find emails |
| tandyleather.com | #116,548 | Cloudflare edge/CDN, Let's Encrypt, Shopify + 3 more | Find emails |
| freeescortsite.com | #116,571 | Google Analytics, Google Tag Manager, Let's Encrypt + 1 more | Find emails |
| brasilstream.com.br | #116,583 | Amazon Route 53, Bootstrap, DoubleClick (Google Ads) + 17 more | Find emails |
| clubcooee.com | #116,588 | AppsFlyer, Cloudflare edge/CDN, DigiCert + 13 more | Find emails |
| usharbors.com | #116,591 | AddToAny, Cloudflare, Cloudflare Web Analytics + 22 more | Find emails |
| chamaileon.io | #116,595 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 12 more | Find emails |
| newcivilengineer.com | #116,598 | Adobe Fonts (Typekit), Akamai Bot Manager, Amazon (ACM) + 13 more | Find emails |
| realtytimes.com | #116,601 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 7 more | Find emails |
| nep.net | #116,609 | Bootstrap, Cloudflare Bot Management, Cloudflare edge/CDN + 11 more | Find emails |
| lostfilm.download | #116,613 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 10 more | Find emails |
| aacn.org | #116,638 | ASP.NET, Azure API Management, Cloudflare Bot Management + 8 more | Find emails |
| quickline.ru | #116,642 | ASP.NET, Apache, Bootstrap + 4 more | Find emails |
| cityofboise.org | #116,674 | Google Analytics, Google Tag Manager, Mailchimp + 5 more | Find emails |
| ocbin.com | #116,678 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 4 more | Find emails |
| geektimes.ru | #116,699 | Google Fonts, Qrator, Sectigo + 1 more | Find emails |
| netvictory.net | #116,730 | Apache, PHP, Tidio + 1 more | Find emails |
| uatv.ua | #116,757 | Bootstrap, Cloudflare, Cloudflare Web Analytics + 16 more | Find emails |
| defiway.com | #116,775 | AOS, Cloudflare, Cloudflare edge/CDN + 6 more | Find emails |
| axoft.com | #116,789 | Amazon Route 53, Fancybox, Font Awesome + 16 more | Find emails |
| shulcloud.com | #116,797 | Amazon Route 53, Apache, DoubleClick (Google Ads) + 13 more | Find emails |
| myfahlo.com | #116,802 | Attentive, Cloudflare edge/CDN, Google Fonts + 10 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 →