Web Server
21,076 of the 1,000,000 top sites in our Tranco top-1M census run Microsoft IIS (2.1%). Microsoft's web server for Windows Server, common on .NET-based sites. Detection is homepage-level HTML/header fingerprinting, so a site can run Microsoft IIS on other pages without it showing here.
Other web server
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | microsoft.com | #6 (Tranco) | Find emails |
| 2 | sagepub.com | #631 (Tranco) | Find emails |
| 3 | kinnser.net | #1,714 (Tranco) | Find emails |
| 4 | tjsp.jus.br |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| etestsonline.org | #425,257 | ASP.NET, Amazon Route 53 | Find emails |
| u4bear.com | #425,263 | Let's Encrypt | Find emails |
| reggiocal.it | #425,271 | ASP.NET, Font Awesome, Matomo + 1 more | Find emails |
| contacthr.com |
| #1,725 (Tranco) |
| Find emails |
| 5 | mnregaweb4.nic.in | #1,772 (Tranco) | Find emails |
| #425,302 |
| ASP.NET, Amazon (ACM), Amazon CloudFront + 1 more |
| Find emails |
| lotte.net | #425,363 | ASP.NET, DigiCert | Find emails |
| fundoambiental.pt | #425,368 | ASP.NET, AddThis, Bootstrap + 7 more | Find emails |
| eldial.com | #425,407 | ASP.NET, Google Analytics | Find emails |
| korterra.net | #425,453 | ASP.NET, Google Analytics | Find emails |
| obrasoft.com.br | #425,517 | ASP.NET, Amazon (ACM), Amazon Route 53 + 1 more | Find emails |
| letonika.lv | #425,518 | ASP.NET, Azure DNS, Google Tag Manager + 2 more | Find emails |
| techint.com | #425,619 | ASP.NET, Azure DNS, DigiCert + 5 more | Find emails |
| ziber.eu | #425,664 | ASP.NET, Fathom, Google Fonts + 11 more | Find emails |
| optiniuminternet.co.uk | #425,703 | ASP.NET, Google Fonts, Let's Encrypt | Find emails |
| insuranceinstitute.ca | #425,711 | Adobe Fonts (Typekit), Azure DNS, CrazyEgg + 6 more | Find emails |
| cognecy.com | #425,999 | ASP.NET, DigiCert, Font Awesome + 4 more | Find emails |
| orientrelogios.com.br | #426,033 | ASP.NET, Bootstrap, DoubleClick (Google Ads) + 17 more | Find emails |
| whiteflash.com | #426,069 | ASP.NET, Google Tag Manager, Microsoft 365 + 1 more | Find emails |
| performcarenj.org | #426,113 | ASP.NET, Adobe Fonts (Typekit), CSC (Digital Brand Services) + 9 more | Find emails |
| hernandosheriff.org | #426,146 | ASP.NET, Azure DNS, Bootstrap + 12 more | Find emails |
| jumiai.cn | #426,162 | ASP.NET, Let's Encrypt, jQuery | Find emails |
| cafacli.it | #426,215 | ASP.NET, Cookiebot, Google Analytics + 4 more | Find emails |
| public.com.tw | #426,454 | ASP.NET, Font Awesome, Google AdSense + 7 more | Find emails |
| unicodrop.com.br | #426,461 | ASP.NET, Bootstrap, Google Analytics + 10 more | Find emails |
| ztgzmic.com | #426,565 | Baidu Analytics, jQuery | Find emails |
| getsomemaction.com | #426,585 | ASP.NET, Google AdSense, Google Analytics + 8 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 →