Security & WAF
15,494 of the 1,000,000 top sites in our Tranco top-1M census run reCAPTCHA v3 (1.5%). Google's bot-detection service that scores traffic in the background without user interaction to block automated abuse. Detection is homepage-level HTML/header fingerprinting, so a site can run reCAPTCHA v3 on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | taboola.com | #187 (Tranco) | Find emails |
| 2 | afternic.com | #315 (Tranco) | Find emails |
| 3 | g.page | #451 (Tranco) | Find emails |
| 4 | teamviewer.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| taboola.com | #187 | AOS, DigiCert, Fastly + 9 more | Find emails |
| afternic.com | #315 | Adyen, Akamai Bot Manager, Akamai edge/CDN + 24 more | Find emails |
| g.page | #451 | Google Analytics, Google Fonts, Google Tag Manager + 2 more | Find emails |
| #561 (Tranco) |
| Find emails |
| 5 | klaviyo.com | #597 (Tranco) | Find emails |
| teamviewer.com |
| #561 |
| Adobe Experience Cloud (Launch), Cloudflare Bot Management, Cloudflare edge/CDN + 6 more |
| Find emails |
| klaviyo.com | #597 | Amazon Route 53, Astro, Cloudflare edge/CDN + 8 more | Find emails |
| fontawesome.com | #626 | Amazon Route 53, BuySellAds, Carbon Ads + 8 more | Find emails |
| smilewanted.com | #947 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 12 more | Find emails |
| fc2.com | #1,135 | Amazon Route 53, DigiCert, Google Analytics + 10 more | Find emails |
| yomiuri.co.jp | #1,200 | Adingo, DoubleClick (Google Ads), Fastly + 8 more | Find emails |
| parklogic.com | #1,237 | DataTables, Font Awesome, Google Fonts + 11 more | Find emails |
| blooket.com | #1,303 | Cloudflare Bot Management, Cloudflare Turnstile, Cloudflare edge/CDN + 10 more | Find emails |
| aznude.com | #1,360 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 6 more | Find emails |
| missav.live | #1,399 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 5 more | Find emails |
| missav123.com | #1,516 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 4 more | Find emails |
| desitales2.com | #1,600 | Cloudflare, Cloudflare edge/CDN, Disqus + 6 more | Find emails |
| njavtv.com | #1,617 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 4 more | Find emails |
| statuspage.io | #1,698 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| business.site | #1,993 | Google Analytics, Google Cloud DNS, Google Fonts + 3 more | Find emails |
| amocrm.ru | #2,067 | DoubleClick (Google Ads), Google Ads Conversion, Google Analytics + 9 more | Find emails |
| like.video | #2,102 | Amazon Route 53, Kong, Nginx + 2 more | Find emails |
| archives.gov | #2,667 | AddToAny, Amazon CloudFront, Bootstrap + 7 more | Find emails |
| virginia.edu | #2,773 | Adobe Fonts (Typekit), Amazon CloudFront, Cludo + 22 more | Find emails |
| dictionary.com | #3,024 | Amazon Advertising, Amazon Route 53, Blockthrough + 12 more | Find emails |
| likeevideo.ru | #3,033 | Alibaba Cloud DNS, Kong, Nginx + 2 more | Find emails |
| brookings.edu | #3,047 | Azure DNS, Cloudflare edge/CDN, Google Fonts + 14 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 →