108,758 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 |
|---|---|---|---|
| adsbexchange.com | #17,989 | AOS, Brevo, Cloudflare + 9 more | Find emails |
| consumidor.gov.br | #17,992 | Azure DNS, Let's Encrypt | Find emails |
| scloud.sg | #17,996 | Google Ads Conversion, Google Analytics, Google Tag Manager + 3 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| guggenheim.org |
| #17,998 |
| Amazon Route 53, Fastly, Let's Encrypt + 6 more |
| Find emails |
| yougov.co.uk | #18,001 | Amazon Route 53, ConsentMo, Envoy + 5 more | Find emails |
| jewishvirtuallibrary.org | #18,002 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 11 more | Find emails |
| civicplus.com | #18,008 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 4 more | Find emails |
| transfermarkt.it | #18,024 | AWS WAF, Amazon CloudFront, Let's Encrypt + 1 more | Find emails |
| unipin.com | #18,028 | Cloudflare, Cloudflare edge/CDN, Cookiebot + 11 more | Find emails |
| hobbyconsolas.com | #18,031 | Amazon (ACM), Amazon CloudFront, Cloudflare + 3 more | Find emails |
| mohito.com | #18,035 | Akamai Edge DNS, DigiCert | Find emails |
| govtech.com | #18,037 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 11 more | Find emails |
| ajinomoto.co.jp | #18,044 | ASP.NET, Amazon (ACM), Amazon CloudFront + 8 more | Find emails |
| worten.pt | #18,053 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 2 more | Find emails |
| extra.com | #18,062 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Analytics + 4 more | Find emails |
| answerthepublic.com | #18,065 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 4 more | Find emails |
| hexagon.com | #18,066 | Amazon Route 53, Cloudflare Bot Management, Cloudflare Turnstile + 2 more | Find emails |
| omron.com | #18,079 | Akamai edge/CDN | Find emails |
| washu.edu | #18,086 | Adobe Fonts (Typekit), Fastly, Google Analytics + 8 more | Find emails |
| format.com | #18,091 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 10 more | Find emails |
| cardkingdom.com | #18,092 | Attentive, Bluesky, Cloudflare + 8 more | Find emails |
| paris.cl | #18,102 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 | Find emails |
| rankmath.com | #18,109 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 4 more | Find emails |
| hmgroup.com | #18,118 | Akamai Edge DNS, Apache, DigiCert + 4 more | Find emails |
| nh-hotels.com | #18,121 | Akamai Bot Manager, Akamai Edge DNS, DigiCert | 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-2026-08-24-full), snapshot August 24, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →