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.
| # | 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 |
|---|---|---|---|
| avantik.com | #536,631 | Fastly, Let's Encrypt, Microsoft 365 + 2 more | Find emails |
| westmark.de | #539,290 | Fastly, Let's Encrypt, Microsoft 365 + 2 more | Find emails |
| rsag.de | #541,381 | Let's Encrypt, Nginx, TYPO3 + 1 more | Find emails |
| #16,359 (Tranco) |
| Find emails |
| 5 | nicsell.com | #18,806 (Tranco) | Find emails |
| riepert.at |
| #541,475 |
| Let's Encrypt, Microsoft 365, Nginx + 3 more |
| Find emails |
| comune.pistoia.it | #542,832 | Cookie-Script, Google Trust Services, Laravel + 5 more | Find emails |
| spruyt-hillen.nl | #548,998 | Fastly, Google Fonts, Let's Encrypt + 3 more | Find emails |
| hwk-duesseldorf.de | #549,013 | Apache, Bootstrap, CCM19 + 3 more | Find emails |
| rabefashion.com | #554,399 | Cookiebot, Google Tag Manager, Let's Encrypt + 4 more | Find emails |
| brocksupply.com | #554,855 | Fastly, Let's Encrypt, Microsoft 365 + 3 more | Find emails |
| agile-robots.com | #556,860 | Google Tag Manager, Microsoft 365, Nginx + 3 more | Find emails |
| herma.de | #557,256 | Apache, Google Tag Manager, Let's Encrypt + 2 more | Find emails |
| sspx.org | #559,308 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 7 more | Find emails |
| strassenbahn-hagen.de | #559,402 | Apache, Leaflet, Let's Encrypt + 4 more | Find emails |
| jakmarketing.co.uk | #561,126 | Fastly, Google Fonts, Let's Encrypt + 4 more | Find emails |
| klueh.de | #562,738 | Google Tag Manager, Nginx, Sectigo + 2 more | Find emails |
| eucerin.it | #563,337 | Azure Front Door, DigiCert | Find emails |
| hospimedia.fr | #566,907 | Amazon CloudFront, Amazon Route 53, Bluesky + 5 more | Find emails |
| robot-coupe.com | #570,402 | Apache, DigiCert, Font Awesome + 9 more | Find emails |
| jobijoba.com.br | #576,600 | Apache, Didomi, Google Tag Manager + 5 more | Find emails |
| yelllow.at | #580,150 | Apache, Bootstrap, Let's Encrypt + 4 more | Find emails |
| gmteurope.de | #583,600 | Fastly, Let's Encrypt, Microsoft 365 + 2 more | Find emails |
| corpteluk.com | #585,469 | Fastly, Let's Encrypt, Sana Commerce + 1 more | Find emails |
| hansaplast.de | #586,057 | Azure Front Door, DigiCert, Microsoft 365 | Find emails |
| hawco.co.uk | #589,047 | Fastly, Google Fonts, Let's Encrypt + 4 more | Find emails |
| ergo-versicherung.at | #593,780 | Adobe Experience Cloud (Launch), Cookiebot, DigiCert + 5 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 →