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 |
|---|---|---|---|
| myswitzerland.com | #14,569 | Amazon Route 53, Fastly, Varnish | Find emails |
| cincinnati.com | #14,584 | Amazon Advertising, Google Publisher Tag, Let's Encrypt + 2 more | Find emails |
| mercola.com | #14,597 | ASP.NET, Cloudflare, Cloudflare Bot Management + 7 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| geniussports.com |
| #14,600 |
| Amazon Route 53, Let's Encrypt, Next.js + 4 more |
| Find emails |
| oe24.at | #14,603 | Fastly, Google Publisher Tag, Google Tag Manager + 2 more | Find emails |
| nikkei.co.jp | #14,620 | Amazon Route 53, SpeedCurve | Find emails |
| fotolia.com | #14,626 | Adobe Fonts (Typekit), Amazon Route 53, DataDome + 5 more | Find emails |
| halfords.com | #14,634 | Akamai Edge DNS, Amazon CloudFront, DigiCert + 1 more | Find emails |
| superdrug.com | #14,635 | Akamai Bot Manager, Akamai Edge DNS, DigiCert | Find emails |
| mappy.com | #14,639 | DigiCert | Find emails |
| urban.org | #14,640 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 11 more | Find emails |
| adobeconnect.com | #14,654 | DigiCert, Fastly | Find emails |
| iolo.net | #14,661 | Amazon Route 53 | Find emails |
| stellantis.com | #14,662 | Font Awesome, Google Fonts, Google Tag Manager + 3 more | Find emails |
| computerbild.de | #14,672 | Akamai Edge DNS, Let's Encrypt, Swiper | Find emails |
| ufpr.br | #14,679 | Bootstrap, Font Awesome, Nginx + 3 more | Find emails |
| doda.jp | #14,683 | Akamai Bot Manager, Akamai Edge DNS, DigiCert + 3 more | Find emails |
| qub.ac.uk | #14,685 | Amazon (ACM), Amazon CloudFront, Google Tag Manager | Find emails |
| colt.net | #14,690 | Cloudflare edge/CDN, Google Fonts, Google Tag Manager + 5 more | Find emails |
| stjude.org | #14,693 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Akamai Edge DNS + 4 more | Find emails |
| icao.int | #14,701 | Azure DNS, Cloudflare edge/CDN, ConsentMo + 3 more | Find emails |
| ralphlauren.com | #14,703 | Cloudflare, Fastly, PerimeterX (HUMAN) + 2 more | Find emails |
| waz.de | #14,719 | Amazon (ACM), Amazon API Gateway, Amazon CloudFront + 2 more | Find emails |
| hellowork.com | #14,737 | Google Publisher Tag, Google Tag Manager, Hotwire Turbo | Find emails |
| sfsu.edu | #14,745 | Bootstrap, Drupal, Fastly + 10 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 →