104,545 of the 965,200 top sites in our Tranco top-1M census run Microsoft 365 (10.8%). Microsoft's subscription suite of productivity apps and services, including Exchange Online email hosting. Detection is homepage-level HTML/header fingerprinting, so a site can run Microsoft 365 on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | microsoft.com | #6 (Tranco) | Find emails |
| 2 | azure.com | #26 (Tranco) | Find emails |
| 3 | github.com | #29 (Tranco) | Find emails |
| 4 | bing.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| liebertpub.com | #5,807 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| ebscohost.com | #5,808 | Amplitude, Drupal, Fastly + 8 more | Find emails |
| inss.gov.br | #5,809 | — | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| #5,814 |
| Cloudflare edge/CDN, Google Tag Manager, Google Trust Services + 5 more |
| Find emails |
| empik.com | #5,820 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| blacknight.com | #5,826 | Font Awesome, Foundation, Google Tag Manager + 8 more | Find emails |
| iaea.org | #5,831 | Cloudflare, Cloudflare edge/CDN, DigiCert | Find emails |
| bgchprod.info | #5,839 | Amazon Route 53 | Find emails |
| honda.com | #5,840 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Akamai edge/CDN + 8 more | Find emails |
| namefind.com | #5,845 | GoDaddy | Find emails |
| avid.com | #5,847 | ClickTale (Contentsquare), Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| tvn24.pl | #5,849 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| playtika.com | #5,853 | AOS, Amazon Route 53, AppsFlyer + 12 more | Find emails |
| govdelivery.com | #5,854 | Adobe Fonts (Typekit), Amazon Route 53, Drift + 13 more | Find emails |
| illumin.com | #5,855 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| study.com | #5,856 | Amazon CloudFront, Amazon Route 53, DataDome | Find emails |
| bmwgroup.com | #5,873 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Akamai mPulse + 3 more | Find emails |
| milliyet.com.tr | #5,877 | Amazon Route 53, Google Fonts, Google Identity Services + 3 more | Find emails |
| certum.pl | #5,892 | Akamai Edge DNS, WordPress, Yoast SEO | Find emails |
| ku.edu | #5,905 | Adobe Fonts (Typekit), ConsentMo, Drupal + 2 more | Find emails |
| gpo.gov | #5,917 | ASP.NET, Bootstrap, Cloudflare edge/CDN + 7 more | Find emails |
| tacobell.com | #5,922 | Akamai Bot Manager, Akamai Edge DNS, AppsFlyer + 6 more | Find emails |
| sinsay.com | #5,946 | Akamai Edge DNS, DigiCert | Find emails |
| asm.org | #5,947 | Adobe Fonts (Typekit), Font Awesome, Google Tag Manager + 2 more | Find emails |
| wyborcza.pl | #5,954 | Google Tag Manager, Google Trust Services, OneTrust + 2 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 →