Technology report · Web server
Microsoft IIS usage report
Microsoft IIS, a web server, was detected on 1,487 of the 66,086 websites scanned, a share of 2.3%, as of 2026-10-28. Most of those sites run version 10.0, and ASP.NET is the most common companion technology. Among sites with a known sector, education makes up the largest group.
- 1,487websites using it
- 2.3%of 66,086 scanned websites with a detected technology
- 1,483websites exposing a version
- 2026-10-28data date
Industry data is available for 383 of the sites running Microsoft IIS, so these shares describe that smaller group. Education leads with 67 sites, or 17.5%. Government and the public sector follows with 41 sites (10.7%), then Software and SaaS with 38 sites (9.9%). Manufacturing and industrial has 29 sites (7.6%) and Healthcare has 28 sites (7.3%).
The technologies found alongside Microsoft IIS lean heavily toward the Microsoft ecosystem and common front-end libraries. ASP.NET appears on 1,072 sites (72.1%) and jQuery on 911 sites (61.3%). Google Tag Manager is on 530 sites (35.6%) and Google Analytics on 395 sites (26.6%). Bootstrap is on 374 sites (25.2%), Font Awesome on 328 (22.1%), Google Fonts on 324 (21.8%) and cdnjs on 196 (13.2%).
A version number was readable on 1,483 of the sites. Version 10.0 dominates with 1,238 sites, followed by 8.5 with 177 sites and 7.5 with 49 sites. Version 8.0 appears on 12 sites, 6.0 on 3 sites and 7.0 on 2 sites. Older releases are therefore a small part of what we measured.
Industries using Microsoft IIS
| Industry | Websites | Share of 383 classified |
|---|---|---|
| Education | 67 | 17.5% |
| Government and public sector | 41 | 10.7% |
| Software and SaaS | 38 | 9.9% |
| Manufacturing and industrial | 29 | 7.6% |
| Healthcare | 28 | 7.3% |
Technologies used together with Microsoft IIS
| Technology | Websites | Share of Microsoft IIS sites |
|---|---|---|
| ASP.NET | 1,072 | 72.1% |
| jQuery | 911 | 61.3% |
| Google Tag Manager | 530 | 35.6% |
| Google Analytics | 395 | 26.6% |
| Bootstrap | 374 | 25.2% |
| Font Awesome | 328 | 22.1% |
| Google Fonts | 324 | 21.8% |
| cdnjs | 196 | 13.2% |
Microsoft IIS versions
| Version | Websites |
|---|---|
| 10.0 | 1,238 |
| 8.5 | 177 |
| 7.5 | 49 |
| 8.0 | 12 |
| 6.0 | 3 |
| 7.0 | 2 |
Example company websites
sava-hotels-resorts.com, allisontransmission.com, zbmm2010.com, global-rates.com, lzsrjc.cn
FAQ
- How many websites use Microsoft IIS?
- We detected Microsoft IIS on 1,487 of the 66,086 websites scanned, which is a 2.3% share. The data is dated 2026-10-28, and the technology is classed as a web server.
- Which Microsoft IIS version is most common?
- Version 10.0 is the most common, found on 1,238 sites. Version 8.5 follows with 177 sites and version 7.5 with 49 sites. A version was readable on 1,483 sites in total.
- Which industries use Microsoft IIS the most?
- Among 383 sites with a known industry, Education is largest with 67 sites (17.5%). Government and the public sector has 41 sites (10.7%), and Software and SaaS has 38 sites (9.9%).
- What technologies are commonly used together with Microsoft IIS?
- ASP.NET is the most frequent companion, on 1,072 sites (72.1%), followed by jQuery on 911 sites (61.3%). Google Tag Manager is on 530 sites (35.6%) and Google Analytics on 395 sites (26.6%).
- Is Microsoft IIS common on healthcare websites?
- Healthcare is among the leading industries in this data, with 28 sites, or 7.3% of the 383 Microsoft IIS sites with a known industry. It ranks behind Education, Government, Software and Manufacturing.
Check your own list
Run the same detection on the websites you care about, or browse popular sites in the Tech Stack Index.