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 |
|---|---|---|---|
| documenta.de | #209,558 | Apache, Fathom, Let's Encrypt + 3 more | Find emails |
| abconcerts.be | #209,702 | Google Tag Manager, Microsoft 365, Sectigo + 2 more | Find emails |
| einhell.com | #217,770 | Cloudflare, Cloudflare edge/CDN, EasyCredit + 7 more | Find emails |
| #16,359 (Tranco) |
| Find emails |
| 5 | nicsell.com | #18,806 (Tranco) | Find emails |
| skr.se | #221,021 | Let's Encrypt, Microsoft 365 | Find emails |
| qualityclassrooms.ca | #222,326 | Fastly, Google Fonts, Let's Encrypt + 3 more | Find emails |
| odav.de | #222,610 | Apache, Bootstrap, CCM19 + 4 more | Find emails |
| zygology.com | #223,001 | Fastly, Let's Encrypt, Sana Commerce + 1 more | Find emails |
| wurth.cl | #224,990 | Akamai Bot Manager, Akamai edge/CDN, Bootstrap + 2 more | Find emails |
| doitorganic.com | #225,819 | Elfsight, Fastly, Google Analytics + 9 more | Find emails |
| mybigiq.com | #226,041 | AWS Lambda, Adobe Fonts (Typekit), Cloudflare edge/CDN + 6 more | Find emails |
| ebs.edu | #228,026 | Bootstrap, Font Awesome, Google Tag Manager + 7 more | Find emails |
| schaefer-shop.ch | #228,284 | Adobe Experience Cloud (Launch), Awin, Cloudflare + 5 more | Find emails |
| cologuard.com | #228,359 | ASP.NET, Amazon (ACM), Amazon CloudFront + 8 more | Find emails |
| snickersfreefire.com.br | #230,769 | ASP.NET, Azure API Management, Google Analytics + 8 more | Find emails |
| organspende-info.de | #231,858 | Fancybox, Leaflet, Matomo + 4 more | Find emails |
| joanneum.at | #235,600 | Elementor, Google Analytics, Google Tag Manager + 6 more | Find emails |
| balgrist.ch | #235,621 | Apache, Cookiebot, DigiCert + 3 more | Find emails |
| trash.net | #240,966 | Apache, Let's Encrypt, jQuery | Find emails |
| jcmilton.com | #242,194 | Fastly, Let's Encrypt, Microsoft 365 + 3 more | Find emails |
| profi.de | #244,247 | DoubleClick (Google Ads), Google Publisher Tag, Google Tag Manager + 6 more | Find emails |
| vwfs.co.za | #245,612 | Adobe Experience Cloud (Launch), Amazon (ACM), Amazon CloudFront + 5 more | Find emails |
| ibb.de | #252,240 | etracker | Find emails |
| piepenbrock.de | #255,271 | Cloudflare, Cloudflare edge/CDN, CookieFirst + 12 more | Find emails |
| schuback-parfuemerien.de | #260,454 | ConsentMo, Cookiebot, Google Tag Manager + 7 more | Find emails |
| bomag.com | #261,091 | AOS, ASP.NET, Apache + 8 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 →