Websites Using IIS

IIS (Internet Information Services) is Microsoft's web server software that runs on Windows Server to host websites and web applications. It is widely used in enterprise environments, particularly for hosting ASP.NET applications and integrating with other Microsoft technologies.

Categories: Web server

Official website: https://www.iis.net

7640 websites using IIS

IIS is ranked #5 of 94 in Web server by website adoption.

Web server alternatives ranked by popularity

Nginx — 73,178 websites
Apache HTTP Server — 43,010 websites
Apache — 41,887 websites
LiteSpeed — 11,970 websites
OpenResty — 4,300 websites
Caddy — 783 websites
Tengine — 698 websites
Google Web Server — 644 websites
Kestrel — 516 websites
Angie — 492 websites

Technologies commonly used with IIS

Windows Server — 99% co-occurrence
Microsoft ASP.NET — 84% co-occurrence
Google Analytics — 41% co-occurrence
jQuery — 38% co-occurrence
Font Awesome — 36% co-occurrence
Open Graph — 35% co-occurrence
Google Analytics 4 — 34% co-occurrence
Bootstrap — 32% co-occurrence

How WhatStack detects IIS

WhatStack detects IIS by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.

Frequently Asked Questions

What is IIS?: IIS (Internet Information Services) is Microsoft's web server software that runs on Windows Server to host websites and web applications. It is widely used in enterprise environments, particularly for hosting ASP.NET applications and integrating with other Microsoft technologies.
How many websites use IIS?: WhatStack has detected IIS on 7640 websites in our database.
How do you detect IIS?: We analyze HTTP headers, HTML source, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries to identify IIS with high accuracy using signature-based pattern matching.