⚡ Operating Systems
Server operating systems are designed for computers that provide network services, such as hosting websites or storing data.
They focus on running server software such as web servers and database systems, handling multiple tasks simultaneously, supporting multiple users and connections, and ensuring system stability and security under heavy load.
According to our research, operating systems are detected on 13.2% of all websites.
69.5% of these sites use only one operating system, 30.3% use two, and 0.2% use three or more of them.
⭐ Most Popular in 2026
The following chart shows the leading operating systems on the web in 2026, based on market share.
The most popular is 
Linux, which dominates the market with a substantial 66.3% share.
It is followed by 
Windows with 30.2% and 
Ubuntu with 17.4%.
- Linux 66.3%
- Windows 30.2%
- Ubuntu 17.4%
Debian 6.7%- CentOS 4.3%
- Unix 3.2%
- Red Hat Enterprise Linux 0.5%
AlmaLinux 0.5%
Rocky Linux 0.4%
FreeBSD 0.4%
Amazon Linux 0.3%Fedora 0.1%
- Gentoo 0.1%
Oracle Linux 0.09%CloudLinux 0.05%
You can also drill down by country:
🚀 Country Highlights
Here is a list of systems that are especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.
✨ Best Operating Systems
Below is a more detailed list of 22 operating systems we detect, ranked by their market share.
TurboLinux
ClearOS👉 See Also
🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,375,483 websites.
- We currently track the presence of 22 operating systems across the web.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.