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 |
|---|---|---|---|
| hema.nl | #15,252 | Amazon (ACM), Amazon CloudFront, Cloudflare edge/CDN + 3 more | Find emails |
| jetsmart.com | #15,253 | DigiCert, Fastly, Font Awesome + 7 more | Find emails |
| splcenter.org | #15,259 | Cloudflare Bot Management, Cloudflare edge/CDN, Foundation + 3 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| informs.org | #15,263 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 9 more | Find emails |
| reading.ac.uk | #15,264 | Google Tag Manager, Modernizr, Sectigo + 3 more | Find emails |
| thedailystar.net | #15,267 | Cloudflare, Cloudflare edge/CDN, Drupal + 8 more | Find emails |
| ut.ee | #15,269 | Cloudflare Bot Management, Cloudflare edge/CDN, ConsentMo + 5 more | Find emails |
| gazzettaufficiale.it | #15,274 | Adobe Experience Cloud (Launch), Google Analytics, Google Tag Manager + 2 more | Find emails |
| applebees.com | #15,279 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| duden.de | #15,283 | Amazon (ACM), Amazon Route 53, Astro + 5 more | Find emails |
| nperf.com | #15,285 | Cloudflare, Cloudflare edge/CDN, Matomo | Find emails |
| spectator.com | #15,286 | Adobe Fonts (Typekit), Amazon Advertising, Cloudflare + 11 more | Find emails |
| gambling.com | #15,295 | Cloudflare edge/CDN, Google Trust Services | Find emails |
| vividseats.com | #15,298 | Akamai Bot Manager, Akamai Edge DNS, Google Tag Manager + 6 more | Find emails |
| islamweb.net | #15,299 | Bootstrap, DigiCert, Fancybox + 7 more | Find emails |
| winamp.com | #15,300 | Cloudflare, ConsentMo, Framer + 5 more | Find emails |
| cao.go.jp | #15,302 | OpenResty, jQuery | Find emails |
| nielseniq.com | #15,306 | 6sense, BrightEdge, Google Analytics + 15 more | Find emails |
| bnr.nl | #15,327 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| latrobe.edu.au | #15,336 | Cloudflare Bot Management, Cloudflare Web Analytics, Cloudflare edge/CDN + 1 more | Find emails |
| unina.it | #15,339 | Bootstrap, Matomo, Owl Carousel + 4 more | Find emails |
| booksamillion.com | #15,340 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| turner.com | #15,350 | Amazon Route 53 | Find emails |
| bunte.de | #15,360 | Auth0, DigiCert, Tealium | Find emails |
| nau.edu | #15,366 | Eleventy, Font Awesome, Google Fonts + 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 →