Server Details is a free Chrome extension developed by White Fir Design. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This extension allows users to check what server software is powering a website.

By utilizing the information provided by a web page's HTTP headers, Server Details displays the software running the web server. With just a few clicks, users can gain valuable insights into the server software being used.

The extension provides detection for a wide range of HTTP servers, including popular ones like Apache HTTP Server, nginx, and IIS. It also detects other software such as ASP.NET, control panels like cPanel and Plesk, and various operating systems like CentOS and Windows.

Server Details is a valuable tool for web developers, system administrators, and anyone interested in understanding the technology behind a website. It offers a straightforward way to gather essential information about the server software without the need for complex setups or manual investigations.

Please note that the extension may not provide warnings for outdated software if the distribution has backported security fixes. However, this feature can be disabled in the options if desired.

For any concerns or inquiries, users can contact the developer for assistance.