Aditi SharmaMarch 28, 2026Technology3 min readA content management system (CMS) is the software that powers how a website's content is created and displayed.
You can often spot clues in the page source, such as folder names, meta generator tags, or asset paths that are unique to a specific CMS.
A tech stack detector automates this process, scanning a site's markup and headers to identify the CMS along with other technologies in use.
Knowing a competitor's CMS can help inform decisions when planning your own website build.