SSL/TLS Certificates
325,744 of the 965,200 top sites in our Tranco top-1M census run Let's Encrypt (33.7%). A free, automated certificate authority that issues and renews SSL/TLS certificates for HTTPS. Detection is homepage-level HTML/header fingerprinting, so a site can run Let's Encrypt on other pages without it showing here.
Other ssl/tls certificates
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | mail.ru | #12 (Tranco) | Find emails |
| 2 | twitter.com | #17 (Tranco) | Find emails |
| 3 | wikipedia.org | #27 (Tranco) | Find emails |
| 4 | wordpress.org |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| indiewire.com | #7,520 | Adobe Fonts (Typekit), Amazon Route 53, Google Tag Manager + 4 more | Find emails |
| marmiton.org | #7,524 | Cloudflare, Fastly, Google Tag Manager + 1 more | Find emails |
| parents.com | #7,525 | Cloudflare Bot Management, Cloudflare edge/CDN | Find emails |
| #43 (Tranco) |
| Find emails |
| 5 | x.com | #54 (Tranco) | Find emails |
| nettavisen.no |
| #7,531 |
| Cloudflare edge/CDN, Varnish |
| Find emails |
| voz.vn | #7,535 | Cloudflare, Cloudflare edge/CDN, ConsentMo + 2 more | Find emails |
| mackolik.com | #7,537 | ASP.NET, Fancybox, Font Awesome + 8 more | Find emails |
| itatiaia.com.br | #7,540 | Amazon Route 53, Criteo, Google AdSense + 9 more | Find emails |
| nanit.com | #7,555 | AB Tasty, Amazon Route 53, Attentive + 11 more | Find emails |
| lindependant.fr | #7,561 | Google Identity Services, Google Tag Manager, Nginx | Find emails |
| windsurf.com | #7,565 | Google Cloud DNS, Google Workspace, Next.js + 3 more | Find emails |
| keenetic.ru | #7,579 | Nginx | Find emails |
| komiku.org | #7,588 | Cloudflare, DDoS-Guard, Google Analytics + 4 more | Find emails |
| tudocelular.com | #7,591 | Cloudflare, Fastly, Google Analytics + 4 more | Find emails |
| domclick.ru | #7,607 | — | Find emails |
| admatic.com.tr | #7,608 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| udmserve.net | #7,623 | Google Analytics, Google Fonts, Google Tag Manager + 6 more | Find emails |
| intercars.eu | #7,630 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| audioeye.com | #7,631 | Amazon Route 53, CookieYes, Google Tag Manager + 7 more | Find emails |
| capital.gr | #7,636 | ASP.NET, Amazon Advertising, Cloudflare + 5 more | Find emails |
| macworld.com | #7,638 | Cloudflare, Google Tag Manager, Nginx + 3 more | Find emails |
| zalando.it | #7,642 | Akamai Bot Manager, Amazon Route 53, React | Find emails |
| al.com | #7,644 | DataDome, Microsoft 365, NS1 | Find emails |
| livescore.in | #7,646 | Google Tag Manager, Nginx, OneTrust + 1 more | Find emails |
| magicbricks.com | #7,651 | Akamai Edge DNS, Microsoft 365 | Find emails |
| argentina.gob.ar | #7,660 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 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 →