SSL/TLS Certificates
30,031 of the 965,200 top sites in our Tranco top-1M census run Sectigo (3.1%). A certificate authority that issues SSL/TLS certificates used to secure websites with HTTPS. Detection is homepage-level HTML/header fingerprinting, so a site can run Sectigo on other pages without it showing here.
Other ssl/tls certificates
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | github.com | #29 (Tranco) | Find emails |
| 2 | roblox.com | #73 (Tranco) | Find emails |
| 3 | nginx.com | #95 (Tranco) | Find emails |
| 4 | f5.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| alterdata.com.br | #22,181 | Amazon Route 53, Font Awesome, Google Tag Manager + 1 more | Find emails |
| manulife.com | #22,197 | Adobe Experience Cloud (Launch), Akamai Bot Manager, CSC (Digital Brand Services) + 4 more | Find emails |
| actualno.com | #22,200 | Google AdSense, Google Publisher Tag, Google Tag Manager | Find emails |
| #150 (Tranco) |
| Find emails |
| 5 | avast.com | #202 (Tranco) | Find emails |
| betcity.net | #22,269 | Cloudflare, Google Fonts, Nginx | Find emails |
| nimbuspop.com | #22,315 | — | Find emails |
| intaspharma.com | #22,320 | Google Analytics, Google Fonts, Google Tag Manager + 4 more | Find emails |
| haproxyedge.net | #22,327 | — | Find emails |
| superb.net | #22,341 | Bootstrap, Font Awesome, Google Fonts + 4 more | Find emails |
| kimiafarma.co.id | #22,382 | Bootstrap, Cloudflare, Google Fonts + 5 more | Find emails |
| santanderbank.com | #22,389 | Adobe Audience Manager, Adobe Target, Akamai Bot Manager + 19 more | Find emails |
| mezamashi.media | #22,390 | Amazon Route 53, Axios, Google Fonts + 2 more | Find emails |
| zipify.com | #22,404 | Amazon Route 53, Google Tag Manager, HubSpot + 2 more | Find emails |
| xvideos4.com | #22,435 | Cloudflare, Nginx | Find emails |
| freecycle.org | #22,447 | Cloudflare Turnstile, Google Analytics, Google Fonts + 3 more | Find emails |
| santafe.gob.ar | #22,480 | Amazon Route 53, Google Analytics, Google Fonts + 2 more | Find emails |
| rbcroyalbank.com | #22,482 | — | Find emails |
| gba.gov.ar | #22,485 | Drupal, Font Awesome, Google Ads Conversion + 9 more | Find emails |
| whatismybrowser.com | #22,494 | Amazon Route 53, Fastmail, Nginx | Find emails |
| yamaha-motor.eu | #22,495 | Adobe Experience Cloud (Launch), Amazon Route 53, Fastly + 3 more | Find emails |
| nhsinform.scot | #22,501 | Bootstrap, Font Awesome, WordPress + 3 more | Find emails |
| nccu.edu.tw | #22,557 | — | Find emails |
| tunwg.com | #22,593 | Cloudflare, GitHub, Google Workspace | Find emails |
| site4now.net | #22,611 | GoDaddy Website Builder, Google Fonts, Modernizr + 1 more | Find emails |
| emergingthreats.net | #22,614 | Amazon Route 53, Drupal, Imperva + 1 more | Find emails |
| aha.io | #22,638 | Contentful, Netlify | 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 →