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 |
|---|---|---|---|
| lincolncenter.org | #67,094 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 2 more | Find emails |
| apetitonline.cz | #67,096 | AB Tasty, CJ Affiliate, Cloudflare + 11 more | Find emails |
| covestro.com | #67,098 | CSC (Digital Brand Services), Coveo, Usercentrics + 1 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| selinc.com | #67,109 | Imperva, Next.js, React | Find emails |
| newbook.cloud | #67,115 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 8 more | Find emails |
| commoncause.org | #67,119 | Fastly, Let's Encrypt, New Relic + 5 more | Find emails |
| autokelly.cz | #67,147 | ASP.NET, Google Tag Manager, Let's Encrypt + 2 more | Find emails |
| rrc.ca | #67,149 | Fastly, Let's Encrypt, New Relic + 5 more | Find emails |
| roccofortehotels.com | #67,152 | Adobe Experience Cloud (Launch), BrightEdge, DigiCert | Find emails |
| fcagroup.com | #67,181 | Font Awesome, Google Fonts, Google Tag Manager + 3 more | Find emails |
| parliament.scot | #67,190 | Cloudflare edge/CDN, Google Tag Manager, Google Trust Services + 5 more | Find emails |
| livesicilia.it | #67,196 | Google Analytics, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| klaravik.se | #67,197 | Cloudflare Turnstile, DigiCert, Foundation + 3 more | Find emails |
| fuelmedia.io | #67,199 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| ashland.com | #67,216 | — | Find emails |
| rochesterfirst.com | #67,222 | CSC (Digital Brand Services), Fastly, Let's Encrypt + 2 more | Find emails |
| euronics.ee | #67,242 | Google Maps, Let's Encrypt | Find emails |
| allas.se | #67,243 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| datcom.com.au | #67,244 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 1 more | Find emails |
| netplatformscloud.co.uk | #67,247 | CookieYes, Google Fonts, Google Tag Manager + 2 more | Find emails |
| tv2nord.dk | #67,251 | Fastly, JW Player, Let's Encrypt + 5 more | Find emails |
| printfleet.com | #67,266 | Adobe Fonts (Typekit), Amazon Route 53, Cloudflare edge/CDN + 7 more | Find emails |
| constellation.com | #67,275 | Adobe Experience Cloud (Launch), Azure DNS, Bootstrap + 9 more | Find emails |
| watsons.com.sg | #67,279 | Akamai Bot Manager, Akamai Edge DNS, DigiCert | Find emails |
| essity.com | #67,281 | DigiCert, Google Tag Manager, New Relic + 3 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 →