Market Share & Web usage statistics IIS

A flexible & easy-to-manage web server... Internet Information Services (IIS) for Windows® Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable and open architecture is ready to handle the most demanding tasks.

1,558,924 1.87
1,264,841
websites
unique domains

IIS offers both free and paid options