Internet Information Services (IIS)

Category - Web Servers

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


We have discovered  2,996,559 live websites   that are using IIS.

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Technology usage statistics

Websites using IIS2,996,559 websites
Most popular in the country United States
Market position in Web Servers#6
Market share in Web Servers4.28%
Most popular version10

Technology adoption

Recent changes in IIS usage. (See IIS Usage Changes report)
Websites that added IIS+39,740
Websites that dropped IIS-105,429
Websites that changed version of IIS99,936

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
www.bbb.org United States322
domaining.com Canada585
www.domaining.com Canada585
See full domain list

Always Used together


Windows Server: Total 3,067,211 domains found using Windows Server
Category - Operating Systems. 7,877,100 domains found using Operating Systems


Alternative Technologies


Apache: Total 24,580,947 domains found using Apache
Nginx: Total 22,068,192 domains found using Nginx
Cloudflare Server: Total 6,964,473 domains found using Cloudflare Server
OpenResty: Total 4,135,827 domains found using OpenResty
LiteSpeed: Total 4,135,513 domains found using LiteSpeed
Pepyaka: Total 1,843,374 domains found using Pepyaka
Microsoft HTTPAPI: Total 636,361 domains found using Microsoft HTTPAPI
Cowboy: Total 282,367 domains found using Cowboy
GHS: Total 281,238 domains found using GHS
Express: Total 217,478 domains found using Express





Alternative Names

  • Internet Information Services
  • Internet Information Server



Major Versions

  • 1.xx (1 subversions, 65 domains)
  • 2.xx (1 subversions, 3 domains)
  • 3.xx (1 subversions, 14 domains)
  • 4.xx (1 subversions, 159 domains)
  • 5.xx (2 subversions, 12,782 domains)
  • 6.xx (1 subversions, 60,270 domains)
  • 7.xx (2 subversions, 358,421 domains)
  • 8.xx (2 subversions, 798,797 domains)
  • 10.xx (1 subversions, 1,739,580 domains)