CAPTCHA & Bot Protection
91,344 of the 1,000,000 top sites in our Tranco top-1M census run reCAPTCHA (9.1%). Google's CAPTCHA/bot-scoring widget, the most widely deployed CAPTCHA by far. Detection is homepage-level HTML/header fingerprinting, so a site can run reCAPTCHA on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | snapchat.com | #123 (Tranco) | Find emails |
| 2 | apache.org | #125 (Tranco) | Find emails |
| 3 | one.one | #160 (Tranco) | Find emails |
| 4 | w3.org |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| tuttitalia.it | #127,844 | Bootstrap, DoubleClick (Google Ads), Google AdSense + 6 more | Find emails |
| africasacountry.com | #127,863 | Bluesky, Cloudflare, Cloudflare Web Analytics + 7 more | Find emails |
| ileworldwide.com | #127,864 | Cloudflare edge/CDN, Let's Encrypt, Mailchimp + 5 more | Find emails |
| #184 (Tranco) |
| Find emails |
| 5 | taboola.com | #187 (Tranco) | Find emails |
| lucyandyak.com | #127,896 | Cloudflare, Cloudflare edge/CDN, CookieYes + 18 more | Find emails |
| sphericalinsights.com | #127,905 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 8 more | Find emails |
| maxaroma.com | #127,911 | Cloudflare, Cloudflare edge/CDN, CrazyEgg + 7 more | Find emails |
| wizjanet.pl | #127,917 | Bootstrap, Cloudflare Web Analytics, Cloudflare edge/CDN + 8 more | Find emails |
| ct.uk | #127,926 | Google Analytics, Google Tag Manager, HubSpot + 4 more | Find emails |
| west.com | #127,955 | ASP.NET, Adobe Experience Cloud (Launch), Azure DNS + 15 more | Find emails |
| seafight.com | #127,963 | Amazon Route 53, Google Hosted Libraries, Google Tag Manager + 3 more | Find emails |
| discountninja.io | #128,017 | Amazon CloudFront, Atlassian Cloud, Atlassian Statuspage + 22 more | Find emails |
| brandselection.co.uk | #128,025 | Google AdSense, Google Analytics, Google Tag Manager + 3 more | Find emails |
| authenticityinstitute.com | #128,031 | AOS, Bootstrap, Google Fonts + 7 more | Find emails |
| avocadogreenmattress.com | #128,047 | Adobe Fonts (Typekit), Affirm, Cloudflare + 12 more | Find emails |
| tucsonweekly.com | #128,048 | Broadstreet, Cloudflare, DoubleClick (Google Ads) + 12 more | Find emails |
| nationaltribune.com.au | #128,103 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 10 more | Find emails |
| remington.com | #128,105 | Amazon Route 53, Attentive, Cloudflare edge/CDN + 11 more | Find emails |
| hightech.fm | #128,106 | 24smi.net, Google Tag Manager, Let's Encrypt + 10 more | Find emails |
| airpano.com | #128,145 | DoubleClick (Google Ads), Font Awesome, Google AdSense + 9 more | Find emails |
| timee.co.jp | #128,159 | Adobe Fonts (Typekit), Amazon (ACM), Amazon CloudFront + 15 more | Find emails |
| mwomercs.com | #128,184 | Amazon Route 53, Google Analytics, Google Tag Manager + 3 more | Find emails |
| jivesoftware.com | #128,191 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 16 more | Find emails |
| cloversites.com | #128,208 | AWS Lambda, Amazon (ACM), Cloudflare edge/CDN + 9 more | Find emails |
| sum.edu.pl | #128,225 | Google Analytics, Google Tag Manager, Nginx + 2 more | Find emails |
| siteguarding.com | #128,241 | AOS, Apache, Google Analytics + 6 more | Find emails |
Showing the first 10,000matches — add a filter to narrow.
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 →