Internet Information Services (IIS) is Microsoft's web server for Windows Server.

How many English-language websites using IIS are there?

Site Stats Database tracks 11,959 websites that are both IIS and English, each enriched with traffic, authority, and the full detected tech stack.

Do English-language websites using IIS have higher authority than average?

They tend to have stronger authority than the typical website: their median Ahrefs Domain Rating is 33, higher than the 28 median across all sites Site Stats Database tracks.

Where does the data come from?

Traffic estimates, keywords, and authority come from DataForSEO; Domain Rating comes from Ahrefs' public endpoint; and the topic, market, and technology detections come from Site Stats Database's own crawler.

Can I download the full list?

Yes. The complete, filterable list of all 11,959 English-language websites using IIS, with traffic history, authority, keywords, and the full tech stack, is available with a Site Stats Database plan.

Top IIS Websites in English — Site Stats Database

gotquestions.org
LanguageEnglish
DR (Ahrefs)83
Total Keywords894,812
Referring Domains37,978
Domain Age24 yrs
Traffic (Jun 2026)21,600,171
Traffic Trend
Web ServerIIS
uhaul.com
LanguageEnglish
DR (Ahrefs)82
Total Keywords286,557
Referring Domains21,818
Domain Age31 yrs
Traffic (Jun 2026)20,054,396
Traffic Trend
Web ServerIIS
tjx.com
LanguageEnglish
DR (Ahrefs)77
Total Keywords196,583
Referring Domains13,711
Domain Age29 yrs
Traffic (Jun 2026)12,790,591
Traffic Trend
Web ServerIIS
aapc.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords282,781
Referring Domains11,910
Domain Age29 yrs
Traffic (Jun 2026)11,747,563
Traffic Trend
Web ServerIIS
oregon.gov
LanguageEnglish
DR (Ahrefs)90
Total Keywords572,609
Referring Domains80,421
Domain Age24 yrs
Traffic (Jun 2026)10,432,431
Traffic Trend
Web Server
subway.com
LanguageEnglish
DR (Ahrefs)82
Total Keywords117,638
Referring Domains34,087
Domain Age30 yrs
Traffic (Jun 2026)9,959,880
Traffic Trend
Web Server
nm.org
LanguageEnglish
DR (Ahrefs)80
Total Keywords464,755
Referring Domains21,588
Domain Age37 yrs
Traffic (Jun 2026)9,563,438
Traffic Trend
Web ServerIIS
nclottery.com
LanguageEnglish
DR (Ahrefs)78
Total Keywords50,112
Referring Domains6,680
Domain Age27 yrs
Traffic (Jun 2026)9,175,424
Traffic Trend
Web Server
eia.gov
LanguageEnglish
DR (Ahrefs)90
Total Keywords176,365
Referring Domains90,162
Domain Age16 yrs
Traffic (Jun 2026)9,082,709
Traffic Trend
Web ServerIIS
edd.ca.gov
LanguageEnglish
DR (Ahrefs)93
Total Keywords71,790
Referring Domains9,758
Domain Age28 yrs
Traffic (Jun 2026)8,491,472
Traffic Trend
Web Server
ipm.ucanr.edu
LanguageEnglish
DR (Ahrefs)83
Total Keywords109,547
Referring Domains7,938
Domain Age14 yrs
Traffic (Jun 2026)7,437,153
Traffic Trend
Web Server
tutorial.math.lamar.edu
LanguageEnglish
DR (Ahrefs)75
Total Keywords82,327
Referring Domains4,428
Domain Age36 yrs
Traffic (Jun 2026)7,321,516
Traffic Trend
Web Server