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 |
|---|---|---|---|
| project1999.com | #40,769 | Amazon Route 53, Google Analytics, Google Hosted Libraries + 7 more | Find emails |
| autoplus.fr | #40,786 | Cloudflare, Cloudflare edge/CDN, Didomi + 5 more | Find emails |
| personalizer.io | #40,788 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| kmart.com | #40,793 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 11 more | Find emails |
| swanlibraries.net | #40,795 | Cloudflare Bot Management, Cloudflare Turnstile, Cloudflare edge/CDN + 1 more | Find emails |
| safebrands.fr | #40,796 | Cloudflare edge/CDN, CookieYes, Google Tag Manager + 8 more | Find emails |
| boardofstudies.nsw.edu.au | #40,807 | Adobe Experience Cloud (Launch), Amazon (ACM), Amazon CloudFront + 14 more | Find emails |
| pr.com | #40,810 | Amazon (ACM), Amazon Route 53, Apache + 7 more | Find emails |
| monticello.org | #40,825 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 1 more | Find emails |
| bangkokbank.com | #40,829 | ASP.NET, Adobe Experience Cloud (Launch), Akamai Bot Manager + 10 more | Find emails |
| octillion.tv | #40,841 | Amazon Route 53, Let's Encrypt, Squarespace | Find emails |
| betrivers.com | #40,850 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 4 more | Find emails |
| smartwaiver.com | #40,864 | Amazon Route 53, Cloudflare Bot Management, Cloudflare Turnstile + 19 more | Find emails |
| ubalt.edu | #40,867 | ASP.NET, Adobe Fonts (Typekit), Amazon Route 53 + 8 more | Find emails |
| access-board.gov | #40,869 | Amazon CloudFront, Amazon S3, Azure DNS + 6 more | Find emails |
| rio.cloud | #40,871 | Amazon Route 53, GSAP, Google Analytics + 9 more | Find emails |
| arvento.com | #40,873 | DigiCert, Google Tag Manager, WordPress + 1 more | Find emails |
| bike-discount.de | #40,880 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 3 more | Find emails |
| wago.com | #40,886 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 4 more | Find emails |
| tamucc.edu | #40,893 | Apache, Google Tag Manager, Modernizr | Find emails |
| userlike.com | #40,896 | Cloudflare Bot Management, Cloudflare edge/CDN, Cookiebot + 5 more | Find emails |
| zaonce.net | #40,900 | Adobe Fonts (Typekit), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| cartoonnetwork.com | #40,916 | Akamai edge/CDN, Amazon Route 53, Google Tag Manager + 3 more | Find emails |
| intracen.org | #40,922 | Cloudflare Bot Management, Cloudflare Turnstile, Cloudflare edge/CDN + 7 more | Find emails |
| 8a.pl | #40,926 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 2 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 25, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →