Is IIS or OpenResty more popular?

IIS is used by more websites in our catalog: 14,679 use IIS and 4,190 use OpenResty.

Does IIS or OpenResty have higher-authority sites?

IIS sites have the higher median Ahrefs Domain Rating (IIS: 35, OpenResty: 30).

Is IIS or OpenResty growing faster?

Between 2026-06 and 2026-07, IIS went from 1.8% to 1.7% of all tracked sites, while OpenResty went from 0.55% to 0.48%. OpenResty is gaining ground faster in our index.

How many sites use both IIS and OpenResty?

0 websites in our catalog use both IIS and OpenResty.

Where does this IIS vs OpenResty data come from?

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.

IIS vs OpenResty — Site Stats Database

IIS vs OpenResty

A side-by-side comparison of two web servers, based on the 291,153 Web Server sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	IIS	OpenResty
Websites	14,679	4,190
Market share	5.0%	1.4%
Share of top 10K sites	1.4%	0.75%
Share of top 100K sites

Rank	#4	#5

Median DR	35	30

Average DR	36	34

Median keywords	940	779

Median referring domains	444	449

Median domain age	21 yrs	15 yrs

Average domain age	20 yrs	16 yrs

Average monthly traffic	66,914	121,342

Combined monthly traffic	982,237,478	508,423,743

ciclt.net
LanguageHindi
DR (Ahrefs)54
Total Keywords226,435
Referring Domains1,657
Domain Age20 yrs
Traffic (Jun 2026)25,664,829
Traffic Trend
TechnologyIIS
gotquestions.org
LanguageEnglish
DR (Ahrefs)83
Total Keywords894,812
Referring Domains37,978
Domain Age24 yrs
Traffic (Jun 2026)21,600,171
Traffic Trend
Technology
uhaul.com
LanguageEnglish
DR (Ahrefs)82
Total Keywords286,557
Referring Domains21,818
Domain Age31 yrs
Traffic (Jun 2026)20,054,396
Traffic Trend
TechnologyIIS
tjx.com
LanguageEnglish
DR (Ahrefs)77
Total Keywords196,583
Referring Domains13,711
Domain Age29 yrs
Traffic (Jun 2026)12,790,591
Traffic Trend
TechnologyIIS
aapc.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords282,781
Referring Domains11,910
Domain Age29 yrs
Traffic (Jun 2026)11,747,563
Traffic Trend
TechnologyIIS
oregon.gov
LanguageEnglish
DR (Ahrefs)90
Total Keywords572,609
Referring Domains80,421
Domain Age24 yrs
Traffic (Jun 2026)10,432,431
Traffic Trend
Technology
subway.com
LanguageEnglish
DR (Ahrefs)82
Total Keywords117,638
Referring Domains34,087
Domain Age30 yrs
Traffic (Jun 2026)9,959,880
Traffic Trend
Technology
nm.org
LanguageEnglish
DR (Ahrefs)80
Total Keywords464,755
Referring Domains21,588
Domain Age37 yrs
Traffic (Jun 2026)9,563,438
Traffic Trend
TechnologyIIS
nclottery.com
LanguageEnglish
DR (Ahrefs)78
Total Keywords50,112
Referring Domains6,680
Domain Age27 yrs
Traffic (Jun 2026)9,175,424
Traffic Trend
Technology
eia.gov
LanguageEnglish
DR (Ahrefs)90
Total Keywords176,365
Referring Domains90,162
Domain Age16 yrs
Traffic (Jun 2026)9,082,709
Traffic Trend
TechnologyIIS

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
ciclt.net	Hindi	54	226,435	1,657	20 yrs	25,664,829		IIS

grubhub.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords2,444,520
Referring Domains60,418
Domain Age23 yrs
Traffic (Jun 2026)62,622,825
Traffic Trend
TechnologyOpenResty
themoviedb.org
LanguageEnglish
DR (Ahrefs)87
Total Keywords2,064,220
Referring Domains91,488
Domain Age17 yrs
Traffic (Jun 2026)62,345,149
Traffic Trend
Technology
ncaa.com
LanguageEnglish
DR (Ahrefs)84
Total Keywords450,724
Referring Domains61,708
Domain Age28 yrs
Traffic (Jun 2026)38,619,244
Traffic Trend
TechnologyOpenResty
paramountplus.com
LanguageEnglish
DR (Ahrefs)85
Total Keywords549,551
Referring Domains69,118
Domain Age14 yrs
Traffic (Jun 2026)21,298,141
Traffic Trend
Technology
rtings.com
LanguageEnglish
DR (Ahrefs)78
Total Keywords381,939
Referring Domains32,717
Domain Age14 yrs
Traffic (Jun 2026)16,301,337
Traffic Trend
Technology
livescore.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords175,797
Referring Domains16,111
Domain Age27 yrs
Traffic (Jun 2026)11,354,675
Traffic Trend
Technology
tsn.ca
LanguageEnglish
DR (Ahrefs)78
Total Keywords296,114
Referring Domains49,476
Domain Age25 yrs
Traffic (Jun 2026)10,258,913
Traffic Trend
TechnologyOpenResty
seamless.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords1,445,164
Referring Domains11,012
Domain Age31 yrs
Traffic (Jun 2026)9,240,181
Traffic Trend
Technology
cbs.com
LanguageEnglish
DR (Ahrefs)85
Total Keywords136,364
Referring Domains82,200
Domain Age32 yrs
Traffic (Jun 2026)9,019,561
Traffic Trend
TechnologyOpenResty
wbay.com
LanguageEnglish
DR (Ahrefs)73
Total Keywords88,425
Referring Domains12,474
Domain Age31 yrs
Traffic (Jun 2026)8,525,338
Traffic Trend
TechnologyOpenResty