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 |
|---|---|---|---|
| rijksmuseum.nl | #15,771 | Convert, DigiCert, Google Tag Manager | Find emails |
| claro.com.co | #15,773 | DigiCert, Google Analytics, Google Fonts + 3 more | Find emails |
| iit.edu | #15,776 | Adobe Fonts (Typekit), ConsentMo, Drupal + 8 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| immy.bot |
| #15,793 |
| Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 7 more |
| Find emails |
| thinkprogress.org | #15,814 | Adobe Fonts (Typekit), Amazon (ACM), Amazon CloudFront + 5 more | Find emails |
| familyhandyman.com | #15,818 | Amazon Advertising, Cloudflare, Cloudflare Bot Management + 12 more | Find emails |
| niu.edu | #15,825 | Bootstrap, DigiCert, Font Awesome + 2 more | Find emails |
| comptia.org | #15,847 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 6 more | Find emails |
| uea.ac.uk | #15,851 | AWS WAF, Amazon (ACM) | Find emails |
| iqvia.com | #15,853 | Coveo, Google Fonts, Google Tag Manager + 2 more | Find emails |
| plateau.com | #15,860 | — | Find emails |
| thepointsguy.com | #15,865 | Amazon Route 53, CHEQ, Fastly + 7 more | Find emails |
| bmw.de | #15,866 | Akamai mPulse, Fastly, Let's Encrypt + 2 more | Find emails |
| kent.ac.uk | #15,879 | Google Tag Manager, Let's Encrypt, Nginx | Find emails |
| chop.edu | #15,885 | Drupal, Fastly, Let's Encrypt + 4 more | Find emails |
| moj.go.jp | #15,887 | Amazon (ACM), Amazon CloudFront, Azure DNS + 2 more | Find emails |
| healio.com | #15,904 | DigiCert, Google Analytics, Google Publisher Tag + 4 more | Find emails |
| huqindustries.co.uk | #15,913 | Amazon Route 53 | Find emails |
| vagaro.com | #15,915 | ASP.NET, Adobe Fonts (Typekit), Font Awesome + 5 more | Find emails |
| powells.com | #15,921 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| igi-global.com | #15,925 | Azure DNS, DigiCert | Find emails |
| weber.com | #15,958 | Akamai Edge DNS, Akamai edge/CDN, Akamai mPulse + 8 more | Find emails |
| unaids.org | #15,969 | DigiCert, Drupal, Google Cloud DNS + 2 more | Find emails |
| asha.org | #15,970 | ASP.NET, Cloudflare, Cloudflare edge/CDN + 4 more | Find emails |
| umkc.edu | #15,997 | AOS, Google Analytics, Google Tag Manager | 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 →