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 |
|---|---|---|---|
| rvr.org | #641,825 | ASP.NET, Cloudflare, Cloudflare Bot Management + 2 more | Find emails |
| tab.de | #647,722 | Apache, Bootstrap, Cloudflare Turnstile + 11 more | Find emails |
| hwkno.de | #650,718 | Apache, Bootstrap, CCM19 + 4 more | Find emails |
| #16,359 (Tranco) |
| Find emails |
| 5 | nicsell.com | #18,806 (Tranco) | Find emails |
| scottlab.com |
| #651,837 |
| Adobe Fonts (Typekit), Fastly, Let's Encrypt + 3 more |
| Find emails |
| jobijoba.be | #652,546 | Apache, Didomi, Google Tag Manager + 5 more | Find emails |
| lokalhelden.ch | #655,566 | Apache, DigiCert, PHP + 2 more | Find emails |
| elektromotorenmarkt.de | #660,152 | Apache, Bootstrap, DigiCert + 7 more | Find emails |
| partech.no | #662,293 | Fastly, Let's Encrypt, Microsoft 365 + 2 more | Find emails |
| elbenwald.it | #663,945 | Sectigo, reCAPTCHA, unpkg | Find emails |
| ballistol.de | #664,901 | Apache, DigiCert, Font Awesome + 7 more | Find emails |
| konradin.de | #665,686 | Cloudflare, Cloudflare edge/CDN, Consentmanager.net + 12 more | Find emails |
| erfolgsfaktor-familie.de | #665,829 | Font Awesome, Matomo, cdnjs + 2 more | Find emails |
| remondis.com | #666,577 | Akamai edge/CDN, Akamai mPulse, Google Tag Manager + 4 more | Find emails |
| starkl.at | #666,699 | Apache, Cookiebot, Google Tag Manager + 5 more | Find emails |
| blumenbecker.com | #668,671 | Google Tag Manager, Let's Encrypt, Microsoft 365 + 2 more | Find emails |
| eucerin.com.ec | #669,278 | Azure Front Door, DigiCert, Google Tag Manager | Find emails |
| solit-kapital.de | #670,899 | Apache, CCM19, Google Fonts + 5 more | Find emails |
| juwelo.es | #672,221 | Apache, Bootstrap, Criteo + 9 more | Find emails |
| geoportal-th.de | #672,566 | Let's Encrypt, reCAPTCHA, unpkg | Find emails |
| startlegroup.com | #679,648 | AWS Lambda, Adobe Fonts (Typekit), Cloudflare edge/CDN + 11 more | Find emails |
| bwstiftung.de | #679,656 | Bluesky, Consentmanager.net, Let's Encrypt + 5 more | Find emails |
| hwk-berlin.de | #680,329 | Apache, Bootstrap, CCM19 + 5 more | Find emails |
| reisser.de | #681,233 | Cookiebot, DigiCert, Google Fonts + 6 more | Find emails |
| spartherm.com | #682,843 | Apache, Cloudflare Bot Management, Cloudflare edge/CDN + 15 more | Find emails |
| energymeteo.com | #683,098 | Cloudflare, Font Awesome, Let's Encrypt + 4 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 →