108,582 of the 1,000,000 top sites in our Tranco top-1M census run Microsoft 365 (10.9%). 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 |
|---|---|---|---|
| asm.org | #5,947 | ASP.NET, Adobe Fonts (Typekit), Font Awesome + 6 more | Find emails |
| wyborcza.pl | #5,954 | Apache, Gemius, Google Tag Manager + 4 more | Find emails |
| loggly.com | #5,959 | Adobe Experience Cloud (Launch), Amazon CloudFront, Amazon Route 53 + 20 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| mediamarkt.de |
| #5,981 |
| Akamai Edge DNS, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more |
| Find emails |
| ku.dk | #5,984 | Apache, Bootstrap, Cookie Information + 6 more | Find emails |
| computrabajo.com | #6,029 | ASP.NET, Amazon (ACM), Amazon Route 53 + 3 more | Find emails |
| unibo.it | #6,038 | Nginx, Plone | Find emails |
| rona.ca | #6,039 | Cloudflare, Cloudflare Bot Management, Cloudflare Web Analytics + 3 more | Find emails |
| nieuwsblad.be | #6,043 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| alza.cz | #6,044 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| jiji.com | #6,056 | Adingo, Amazon Advertising, Amazon Route 53 + 12 more | Find emails |
| utk.edu | #6,060 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services + 3 more | Find emails |
| meti.go.jp | #6,062 | Amazon (ACM), Amazon CloudFront, Amazon S3 + 5 more | Find emails |
| itglue.com | #6,069 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 9 more | Find emails |
| freep.com | #6,070 | Amazon Advertising, Confiant, Criteo + 7 more | Find emails |
| ucalgary.ca | #6,071 | Adobe Fonts (Typekit), Cloudflare Bot Management, Cloudflare Turnstile + 9 more | Find emails |
| realtor.ca | #6,088 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| oregon.gov | #6,096 | ASP.NET, Amazon CloudFront, Bootstrap + 8 more | Find emails |
| uzh.ch | #6,099 | Apache, Let's Encrypt, Matomo + 1 more | Find emails |
| unixtools.org | #6,102 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| dome9.com | #6,107 | 6sense, AddToAny, Amazon CloudFront + 13 more | Find emails |
| core.ac.uk | #6,117 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 8 more | Find emails |
| euractiv.com | #6,138 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 2 more | Find emails |
| currys.co.uk | #6,139 | Cloudflare Bot Management, Cloudflare edge/CDN, DigiCert | Find emails |
| bidtheatre.com | #6,140 | AWS Lambda, Amazon CloudFront, Atlassian Cloud + 18 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 1,000,000-domain Tranco top-1M census (run top1m-2026-08-25-full-v2), snapshot August 29, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →