CAPTCHA & Bot Protection
484 of the 1,000,000 top sites in our Tranco top-1M census run Friendly Captcha (0%). A privacy-focused, non-interactive CAPTCHA alternative. Detection is homepage-level HTML/header fingerprinting, so a site can run Friendly Captcha on other pages without it showing here.
Other captcha & bot protection
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | plausible.io | #3,823 (Tranco) | Find emails |
| 2 | proxmox.com | #4,085 (Tranco) | Find emails |
| 3 | airliquide.com | #15,947 (Tranco) | Find emails |
| 4 | baden-wuerttemberg.de |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| check-dein-spiel.de | #148,896 | Apache, Matomo, TYPO3 | Find emails |
| muenzeoesterreich.at | #156,082 | Apache, DigiCert, Varnish | Find emails |
| fwf.ac.at | #156,833 | Bluesky, Bunny CDN, BunnyCDN + 4 more | Find emails |
| #16,359 (Tranco) |
| Find emails |
| 5 | nicsell.com | #18,806 (Tranco) | Find emails |
| #158,318 |
| Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 5 more |
| Find emails |
| sachsenlotto.de | #159,271 | DigiCert, Usercentrics, Zendesk | Find emails |
| unilu.ch | #159,771 | Bluesky, Cookiebot, DigiCert + 3 more | Find emails |
| haufegroup.com | #160,038 | AWS Lambda, Cloudflare edge/CDN, Google Trust Services + 5 more | Find emails |
| duf.de | #163,416 | CleanTalk, ConsentMo, Font Awesome + 10 more | Find emails |
| hobbyco.net | #164,683 | Fastly, Google Fonts, Let's Encrypt + 2 more | Find emails |
| vdsdrinks.be | #168,333 | Fastly, Let's Encrypt, Microsoft 365 + 2 more | Find emails |
| herrenknecht.com | #169,644 | Amazon Route 53, Cloudflare edge/CDN, Cookiebot + 7 more | Find emails |
| colex-export.com | #170,272 | Fastly, Google Fonts, Let's Encrypt + 3 more | Find emails |
| blg-logistics.com | #170,464 | Apache, DigiCert, Eye-Able + 7 more | Find emails |
| manz.at | #183,009 | Bootstrap, Font Awesome, Let's Encrypt + 6 more | Find emails |
| einzelhandel.de | #186,019 | Bootstrap, Joomla, Let's Encrypt + 5 more | Find emails |
| eucerin.com.mx | #187,907 | Azure Front Door, DigiCert, Google Tag Manager + 1 more | Find emails |
| saferinternet.at | #190,046 | Apache, Font Awesome, Let's Encrypt + 3 more | Find emails |
| einhell.de | #192,691 | AB Tasty, Bazaarvoice, Cloudflare + 13 more | Find emails |
| kenn-dein-limit.de | #194,425 | Matomo, Nginx, TYPO3 + 1 more | Find emails |
| jobijoba.co.uk | #195,358 | Apache, Didomi, Google Tag Manager + 5 more | Find emails |
| startleint.com | #195,863 | AWS Lambda, Adobe Fonts (Typekit), Cloudflare edge/CDN + 11 more | Find emails |
| medica.de | #196,247 | Let's Encrypt, Smart AdServer (Equativ), Usercentrics | Find emails |
| bdr.de | #198,510 | Apache, etracker | Find emails |
| ugc.be | #203,633 | Bootstrap, Font Awesome, Google Cloud DNS + 9 more | Find emails |
| santanderconsumer.pl | #205,471 | Akamai Edge DNS, Google Tag Manager, Sectigo + 1 more | Find emails |
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 →