IISIIS Market Share & Usage Stats
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.
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Get Key InsightsSite Totals
15,410,841
Market share
0.22%
Category
Server
Sub-category
Web Server
Paid or free
Free/Paid
As of February 26, 2026, a total of 15,410,841 websites have been identified using this technology. The highest concentration of usage is in United States, showcasing its widespread adoption in the region. Among all sites leveraging this platform, googleadservices.com stands out as the most visited, demonstrating the significant role this technology plays in the digital landscape.
IIS usage by country
IIS's is primarily used in United States, followed by Turkey and Vietnam.
Top Countries
IIS alternatives & related technologies
The top alternative to IIS is Apache, followed by nginx. Click below to analyze and compare these technologies' market share and audience.
Apache
nginx
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See which technologies are commonly used on the same websites