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 |
|---|---|---|---|
| securitas-india.com | #825,794 | ASP.NET, Azure API Management, Cloudflare + 8 more | Find emails |
| livepower.be | #849,264 | Fastly, Google Fonts, Let's Encrypt + 2 more | Find emails |
| patura.com | #850,979 | Apache, DigiCert, PHP + 1 more | Find emails |
| #16,359 (Tranco) |
| Find emails |
| 5 | nicsell.com | #18,806 (Tranco) | Find emails |
| hwk-stuttgart.de | #856,152 | Apache, Bootstrap, CCM19 + 5 more | Find emails |
| deinbalkon.de | #858,934 | Apache, Bootstrap, CookieHub + 11 more | Find emails |
| neusta.de | #859,100 | Google Tag Manager, Let's Encrypt, Nginx + 3 more | Find emails |
| netzliving.eu | #860,152 | Bootstrap, Font Awesome, Let's Encrypt + 3 more | Find emails |
| sein.es | #862,952 | Fastly, Let's Encrypt, Microsoft 365 + 3 more | Find emails |
| hwk-hamburg.de | #864,135 | Apache, Bootstrap, CCM19 + 4 more | Find emails |
| bzga-essstoerungen.de | #871,125 | Matomo, Nginx, TYPO3 | Find emails |
| jaquet-droz.com | #872,170 | Akamai Bot Manager, Akamai edge/CDN, Akamai mPulse + 6 more | Find emails |
| f-i-sp.de | #874,925 | Apache, Cookiebot, Let's Encrypt + 1 more | Find emails |
| tik.info | #874,976 | Cookiebot, CoreMedia CMS, DigiCert + 1 more | Find emails |
| side-by-side.de | #877,731 | Consentmanager.net, Let's Encrypt, Microsoft 365 + 5 more | Find emails |
| eucerin.com.co | #888,226 | Azure Front Door, DigiCert, Google Tag Manager | Find emails |
| eucerin.pe | #888,227 | Azure Front Door, DigiCert, Google Tag Manager | Find emails |
| gfschemicals.com | #902,497 | Bootstrap, Cloudflare, Fastly + 7 more | Find emails |
| laborberlin.com | #903,285 | Apache, DigiCert, Google Tag Manager + 4 more | Find emails |
| rwsanitair.be | #905,564 | Fastly, Let's Encrypt, Microsoft 365 + 2 more | Find emails |
| suedpack.com | #908,959 | Apache, Google Hosted Libraries, Google Tag Manager + 4 more | Find emails |
| timocom.pl | #910,729 | Google Tag Manager, Kameleoon, Let's Encrypt + 8 more | Find emails |
| rws-ammunition.com | #911,384 | Let's Encrypt, Nginx, PHP + 1 more | Find emails |
| scharr.de | #911,728 | Google Tag Manager, Let's Encrypt, Meta Pixel + 5 more | Find emails |
| ihkrt.de | #912,104 | Cookiebot, Font Awesome, Let's Encrypt + 4 more | Find emails |
| wegweiser-demenz.de | #912,386 | Matomo, jQuery, jsDelivr | 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 →