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 |
|---|---|---|---|
| 20minutos.es | #4,258 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| alarabiya.net | #4,270 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| churchofjesuschrist.org | #4,282 | Akamai Bot Manager, Amazon CloudFront, DigiCert | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| bankrate.com | #4,289 | Amazon Route 53, Fastly, Google Tag Manager + 7 more | Find emails |
| rapidssl.com | #4,292 | Adobe Experience Cloud (Launch), DigiCert, Fastly + 6 more | Find emails |
| qvc.com | #4,306 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Akamai Edge DNS + 4 more | Find emails |
| iu.edu | #4,310 | Google Fonts, Google Tag Manager, unpkg | Find emails |
| marthastewart.com | #4,317 | Cloudflare Bot Management, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| jst.go.jp | #4,341 | Amazon Route 53, DigiCert, Slick Carousel + 1 more | Find emails |
| tinkercad.com | #4,346 | Amazon CloudFront, Amazon Route 53, Bootstrap + 4 more | Find emails |
| usf.edu | #4,362 | ASP.NET, Google Fonts, Google Tag Manager + 1 more | Find emails |
| swr.de | #4,364 | DigiCert | Find emails |
| britishairways.com | #4,393 | Akamai Edge DNS, Akamai edge/CDN | Find emails |
| wdr.de | #4,401 | DigiCert, GoDaddy | Find emails |
| uu.nl | #4,403 | Drupal, Google Tag Manager, Modernizr + 1 more | Find emails |
| srf.ch | #4,407 | Akamai mPulse, Amazon Route 53, Let's Encrypt + 4 more | Find emails |
| bible.com | #4,424 | Adobe Fonts (Typekit), Fastly, NS1 + 7 more | Find emails |
| india.com | #4,441 | Akamai Edge DNS, DigiCert, Google Fonts + 3 more | Find emails |
| skyscanner.net | #4,454 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 | Find emails |
| adweek.com | #4,459 | Cloudflare, Cloudflare edge/CDN, Google Fonts + 9 more | Find emails |
| prweb.com | #4,466 | Adobe Experience Cloud (Launch), Cloudflare, Cloudflare Bot Management + 5 more | Find emails |
| colostate.edu | #4,467 | Cloudflare Bot Management, Cloudflare edge/CDN, Font Awesome + 10 more | Find emails |
| etrade.com | #4,468 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Akamai edge/CDN + 3 more | Find emails |
| lastampa.it | #4,472 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| terabox.com | #4,476 | Amazon Route 53, DigiCert, Google Analytics + 4 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 →