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 |
|---|---|---|---|
| uba.ar | #7,274 | Bootstrap, Google Analytics, Google Tag Manager + 5 more | Find emails |
| delish.com | #7,276 | Amazon Route 53, Next.js, OneTrust + 2 more | Find emails |
| macromill.com | #7,278 | Adobe Fonts (Typekit), Amazon CloudFront, Amazon Route 53 + 5 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| kff.org |
| #7,283 |
| Cloudflare, Google Tag Manager, Let's Encrypt + 3 more |
| Find emails |
| vodafone.com | #7,304 | Azure DNS, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| newlook.com | #7,308 | DigiCert, PerimeterX (HUMAN) | Find emails |
| bayer.com | #7,309 | Akamai mPulse, CSC (Digital Brand Services), ConsentMo + 6 more | Find emails |
| newcastle.edu.au | #7,311 | Cloudflare Bot Management, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| rp-online.de | #7,317 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 4 more | Find emails |
| ole.com.ar | #7,330 | ASP.NET, Cloudflare, Cloudflare Bot Management + 2 more | Find emails |
| eldebate.com | #7,331 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| rmf24.pl | #7,333 | Bootstrap, Google AdSense, Google Analytics + 7 more | Find emails |
| origo.hu | #7,344 | Cloudflare, Cloudflare edge/CDN, Google Fonts + 2 more | Find emails |
| starfieldtech.com | #7,346 | GoDaddy, GoDaddy Website Builder | Find emails |
| nfpa.org | #7,354 | Cloudflare, Cloudflare edge/CDN, Google Fonts + 5 more | Find emails |
| umontreal.ca | #7,356 | AOS, Google Fonts, Google Tag Manager + 4 more | Find emails |
| northeastern.edu | #7,362 | Akamai Edge DNS, Font Awesome, Google Analytics + 6 more | Find emails |
| ontario.ca | #7,366 | Amazon CloudFront, ConsentMo, DigiCert + 2 more | Find emails |
| lexpress.fr | #7,376 | Google Fonts, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| copart.com | #7,377 | Imperva | Find emails |
| chavesnamao.com.br | #7,384 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 4 more | Find emails |
| riken.jp | #7,393 | Amazon (ACM), Amazon CloudFront, Google Tag Manager | Find emails |
| mordorintelligence.com | #7,395 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 8 more | Find emails |
| iscorp.com | #7,400 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 6 more | Find emails |
| vewd.com | #7,413 | Cloudflare Bot Management, Cloudflare edge/CDN, Font Awesome + 6 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 →