Internet Information Services (IIS)

Category - Web Servers

Internet Information Services is an extensible web server created by Microsoft.

We have discovered 3,399,789 live websites that are using IIS.

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Technology usage statistics

Websites using IIS 3,399,789 websites
Most popular in the country United States of America
Market position in Web Servers #4
Market share in Web Servers 6.86%
Most popular version 8

Technology adoption

Recent changes in IIS usage. (See IIS Usage Changes report)
Websites that added IIS +33,239
Websites that dropped IIS -53,733
Websites that changed version of IIS 19,911

Distribution by websites popularity

Internet Information Services (IIS) detection in the top websites by popularity
Top 10k sites 787 websites
Top 100k sites 4,631 websites
Top 1m sites 83,414 websites

Websites utilizing Internet Information Services (IIS)

Top websites that use IIS

Domain Country Rank Contacts United States of America 54 United States of America 149 United States of America 149 United States of America 225 United States of America 339 United States of America 404
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Flat price per the report, subscription is not required.

Market Share

IIS market share within the Web Servers category

Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Names

  • Internet Information Services
  • Internet Information Server

Technology Information


  • 1 (1 subversions, 34 domains)
  • 3 (1 subversions, 3 domains)
  • 4 (1 subversions, 262 domains)
  • 5 (2 subversions, 10,939 domains)
  • 6 (1 subversions, 97,133 domains)
  • 7 (2 subversions, 477,287 domains)
  • 8 (2 subversions, 1,393,858 domains)
  • 10 (1 subversions, 802,647 domains)

Alternative Technologies

Allegro RomPager: Total 545 domains found using Allegro RomPager
Amazon EC2: Total 79,747 domains found using Amazon EC2
AOLserver: Total 284 domains found using AOLserver
Apache: Total 19,571,954 domains found using Apache
Apache Tomcat: Total 123,603 domains found using Apache Tomcat
ATS: Total 71,603 domains found using ATS
Apple Http Server: Total 156 domains found using Apple Http Server
BaseHTTP: Total 220 domains found using BaseHTTP
Boa: Total 83 domains found using Boa
bytex: Total 347 domains found using bytex