TidyToolsTech Stack Index · detected

Comparison · Web server

OpenResty vs Microsoft IIS: which do popular websites use?

As of 2026-10-02, OpenResty is detected on 174 of 7,859 popular websites (2.2%) and Microsoft IIS on 78 (1.0%): OpenResty is 2.2x as common. 0 sites use both.

Adoption at a glance

OpenRestyMicrosoft IIS
Sites using it17478
Share of 7,859 sites2.2%1.0%
Share of the top 1,000 sites (710 readable)2.3%0.1%
Only this one of the two17478

Both: 0 sites. Detected on 2026-10-02 from the home page; a technology that leaves no trace there is not counted.

By site sector

SectorSitesOpenRestyMicrosoft IIS
Other6,3052.3%1.0%
News3474.9%0.3%
Entertainment3141.0%<0.1%
Education2460.8%2.0%
Government2412.1%3.3%
Technology1330.8%<0.1%
Finance97<0.1%2.1%
E-commerce931.1%<0.1%

Share of the sector's sites using each technology; sectors with at least 50 sites.

By top-level domain

TLDSitesOpenRestyMicrosoft IIS
.com4,1382.5%0.6%
.org4371.1%1.4%
.net3331.8%1.5%
.ru2582.7%1.2%
.jp1892.6%2.1%
.io1851.1%<0.1%
.de1801.1%<0.1%
.edu1590.6%2.5%
.gov110<0.1%4.5%

Top-level domains with at least 100 sites.

Most popular sites using only OpenResty

Most popular sites using only Microsoft IIS

Each technology

FAQ

Which is more popular, OpenResty or Microsoft IIS?
As of 2026-10-02, OpenResty is detected on 174 of 7,859 popular websites (2.2%) and Microsoft IIS on 78 (1.0%): OpenResty is 2.2x as common. 0 sites use both.
Which do the most popular websites prefer?
Among the 710 sites of the top 1,000 that we could read, 16 (2.3%) use OpenResty and 1 (0.1%) use Microsoft IIS.
Can a website use both OpenResty and Microsoft IIS?
Yes: 0 of the 7,859 sites show both (<0.1%); 174 show only OpenResty and 78 only Microsoft IIS.