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 |
|---|---|---|---|
| carleton.ca | #10,840 | Google Analytics, Google Tag Manager, Sectigo + 2 more | Find emails |
| miniclip.com | #10,846 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| transsion.com | #10,850 | Amazon Route 53, DigiCert, Google Tag Manager + 2 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| qt.io | #10,854 | Cloudflare Bot Management, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| lotto-italia.it | #10,858 | Next.js, Turbopack, Adobe Experience Manager + 1 more | Find emails |
| finnair.com | #10,860 | Akamai Bot Manager, Akamai mPulse, Amazon Route 53 + 4 more | Find emails |
| fieltorcedor.com.br | #10,875 | Amazon Route 53, Bootstrap, Django + 3 more | Find emails |
| dexcom.com | #10,912 | Amplience, Cloudflare edge/CDN, Google Cloud DNS + 9 more | Find emails |
| bestwestern.com | #10,915 | DataDome, DigiCert | Find emails |
| tsc.go.ke | #10,928 | — | Find emails |
| ray-ban.com | #10,938 | Akamai Edge DNS, DigiCert | Find emails |
| lesoir.be | #10,961 | Akamai Edge DNS, Let's Encrypt | Find emails |
| opinary.com | #10,976 | Google Cloud DNS, Google Tag Manager, Let's Encrypt + 4 more | Find emails |
| pingdom.net | #10,990 | Adobe Experience Cloud (Launch), Cloudflare, DigiCert + 11 more | Find emails |
| ftpub.net | #11,001 | Amazon Route 53 | Find emails |
| hubble.in | #11,021 | Amazon Route 53 | Find emails |
| hsn.com | #11,029 | Akamai Bot Manager, Akamai Edge DNS, Akamai mPulse + 2 more | Find emails |
| uqam.ca | #11,055 | Amazon (ACM), Amazon CloudFront, Modernizr + 4 more | Find emails |
| geoguessr.com | #11,056 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 3 more | Find emails |
| open.ac.uk | #11,057 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services | Find emails |
| ncaa.com | #11,058 | Akamai Edge DNS, Akamai edge/CDN, Let's Encrypt + 3 more | Find emails |
| uc.edu | #11,071 | AngularJS, Fastly, Google Tag Manager + 2 more | Find emails |
| codefusion.technology | #11,087 | Amazon Route 53 | Find emails |
| pepsico.com | #11,090 | DigiCert, Google Tag Manager, Imperva + 2 more | Find emails |
| on24.com | #11,099 | Akamai Edge DNS, Cloudflare Bot Management, Cloudflare edge/CDN + 1 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 →