Internet Information Services (IIS)

Category - Web Servers

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


We have discovered  2,897,461 live websites   that are using IIS.

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Technology usage statistics

Websites using IIS2,897,461 websites
Most popular in the country United States
Market position in Web Servers#6
Market share in Web Servers4.21%
Most popular version10

Technology adoption

Recent changes in IIS usage. (See IIS Usage Changes report)
Websites that added IIS+27,420
Websites that dropped IIS-61,259
Websites that changed version of IIS92,888

Internet Information Services (IIS) usage distribution by website rank

The correlation between utilization of IIS technology and the relative popularity of websites

Market Share

IIS market share within the Web Servers category



Geographical Distribution

Technology usage distribution by websites across the globe.



Websites utilizing Internet Information Services (IIS)

Top websites that use IIS
DomainCountryRankContacts
ukxklns.cn China197
privacyshield.gov United States220
sitemaps.org United States280
domaining.com Canada585
www.domaining.com Canada585
ssoeasy.babson.edu United States969
See full domain list

Always Used together


Windows Server: Total 2,966,273 domains found using Windows Server
Category - Operating Systems. 7,667,903 domains found using Operating Systems


Alternative Technologies


Apache: Total 24,381,942 domains found using Apache
Nginx: Total 21,390,486 domains found using Nginx
Cloudflare Server: Total 6,909,080 domains found using Cloudflare Server
OpenResty: Total 4,193,168 domains found using OpenResty
LiteSpeed: Total 4,066,681 domains found using LiteSpeed
Pepyaka: Total 1,801,043 domains found using Pepyaka
Microsoft HTTPAPI: Total 626,273 domains found using Microsoft HTTPAPI
GHS: Total 276,272 domains found using GHS
Cowboy: Total 256,873 domains found using Cowboy
Caddy: Total 217,653 domains found using Caddy





Alternative Names

  • Internet Information Services
  • Internet Information Server



Major Versions

  • 1.xx (1 subversions, 63 domains)
  • 2.xx (1 subversions, 3 domains)
  • 3.xx (1 subversions, 14 domains)
  • 4.xx (1 subversions, 149 domains)
  • 5.xx (2 subversions, 12,688 domains)
  • 6.xx (1 subversions, 57,333 domains)
  • 7.xx (2 subversions, 334,009 domains)
  • 8.xx (2 subversions, 715,037 domains)
  • 10.xx (1 subversions, 1,752,946 domains)