Security & WAF
51,718 of the 965,200 top sites in our Tranco top-1M census run Cloudflare Bot Management (5.4%). Cloudflare's product for detecting and mitigating automated bot traffic on a site. Detection is homepage-level HTML/header fingerprinting, so a site can run Cloudflare Bot Management on other pages without it showing here.
Other security & waf
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | cloudflare.com | #3 (Tranco) | Find emails |
| 2 | twitter.com | #17 (Tranco) | Find emails |
| 3 | linkedin.com | #18 (Tranco) | Find emails |
| 4 | x.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| doubleverify.com | #272 | Akamai Edge DNS, Cloudflare edge/CDN, Google Tag Manager + 2 more | Find emails |
| tinyurl.com | #279 | Amazon Advertising, Cloudflare Web Analytics, Cloudflare edge/CDN + 2 more | Find emails |
| appsflyer.com | #302 | Amazon Route 53, Cloudflare edge/CDN, Google Tag Manager + 9 more | Find emails |
| #54 (Tranco) |
| Find emails |
| 5 | chatgpt.com | #70 (Tranco) | Find emails |
| hcaptcha.com | #314 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 2 more | Find emails |
| weebly.com | #336 | Amazon Route 53, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| onelink.me | #344 | Amazon Route 53, Cloudflare edge/CDN, Google Tag Manager + 9 more | Find emails |
| calendly.com | #384 | Amazon CloudFront, Astro, Cloudflare + 5 more | Find emails |
| zendesk.com | #388 | Amazon Route 53, Cloudflare edge/CDN, Google Tag Manager + 7 more | Find emails |
| indeed.com | #391 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| pixabay.com | #416 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| ietf.org | #455 | Cloudflare, Cloudflare edge/CDN, Let's Encrypt + 1 more | Find emails |
| name.com | #479 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 5 more | Find emails |
| hostgator.com | #483 | Cloudflare edge/CDN, Google Trust Services | Find emails |
| mediatek.com | #486 | Cloudflare edge/CDN, Font Awesome, Google Ads Conversion + 7 more | Find emails |
| substack.com | #488 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| stackoverflow.com | #502 | Cloudflare, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| skyhigh.cloud | #506 | AOS, Cloudflare edge/CDN, Fancybox + 12 more | Find emails |
| ft.com | #513 | Amazon Route 53, Cloudflare edge/CDN, Google Trust Services | Find emails |
| markmonitor.com | #518 | Cloudflare edge/CDN, DigiCert, Microsoft 365 | Find emails |
| patreon.com | #541 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 4 more | Find emails |
| okta.com | #544 | Adobe Experience Cloud (Launch), Amazon Route 53, Cloudflare edge/CDN + 7 more | Find emails |
| oup.com | #553 | AOS, Amazon Route 53, Cloudflare edge/CDN + 16 more | Find emails |
| teamviewer.com | #561 | Adobe Experience Cloud (Launch), Cloudflare edge/CDN, OneTrust + 6 more | Find emails |
| berkeley.edu | #574 | Cloudflare edge/CDN, Google Fonts, Google Tag Manager + 4 more | Find emails |
| cookielaw.org | #590 | Adobe Experience Cloud (Launch), Cloudflare, Cloudflare Turnstile + 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 965,200-domain Tranco top-1M census (run top1m-2026-08-20-full), snapshot August 21, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →