108,582 of the 1,000,000 top sites in our Tranco top-1M census run Microsoft 365 (10.9%). 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 |
|---|---|---|---|
| doterra.com | #23,739 | Amazon Route 53, Google Analytics, Google Tag Manager + 1 more | Find emails |
| urjc.es | #23,742 | Apache, Bootstrap, CookieFirst + 9 more | Find emails |
| dbschenker.com | #23,749 | Adobe Experience Cloud (Launch), Amazon CloudFront, Amazon S3 + 6 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| lavasoft.com | #23,754 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 3 more | Find emails |
| displate.com | #23,756 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| unf.edu | #23,759 | Apache, Google Analytics, Google Fonts + 4 more | Find emails |
| mapyourshow.com | #23,764 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 15 more | Find emails |
| utoledo.edu | #23,771 | Adobe Fonts (Typekit), All in One SEO, Bootstrap + 8 more | Find emails |
| laliga.com | #23,775 | Azure Front Door, DigiCert, Next.js + 2 more | Find emails |
| gbatemp.net | #23,777 | Amazon Advertising, Blockthrough, Cloudflare + 8 more | Find emails |
| waldenu.edu | #23,778 | BrightEdge, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| nm.org | #23,779 | ASP.NET, Azure DNS, Fancybox + 21 more | Find emails |
| metasolutions.net | #23,784 | Apache, Font Awesome, Let's Encrypt + 3 more | Find emails |
| ehu.es | #23,789 | Apache, Bluesky, Bootstrap + 5 more | Find emails |
| workzone.cloud | #23,793 | Cloudflare, DigiCert | Find emails |
| vectorworks.net | #23,795 | Amazon (ACM), Amazon Route 53 | Find emails |
| mga.org.mt | #23,809 | AOS, Cloudflare, Cloudflare edge/CDN + 6 more | Find emails |
| irishnews.com | #23,810 | Chartbeat, DoubleClick (Google Ads), Google Analytics + 11 more | Find emails |
| theadex.com | #23,812 | Cookie Information, Font Awesome, Google Tag Manager + 8 more | Find emails |
| rush.edu | #23,825 | ASP.NET, Drupal, Nginx + 5 more | Find emails |
| latinoamericahosting.com | #23,835 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 5 more | Find emails |
| tataneu.com | #23,838 | Akamai Bot Manager, Akamai edge/CDN, Azure DNS + 4 more | Find emails |
| adobesign.com | #23,850 | Adobe Experience Cloud (Launch), Adobe Fonts (Typekit), Amazon Route 53 + 5 more | Find emails |
| wwf.org.uk | #23,863 | AB Tasty, AOS, Azure DNS + 16 more | Find emails |
| voip.ms | #23,868 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 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 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 →