TechSpy is a Chrome add-on designed to help users identify the technologies used on websites. This tool efficiently detects various CSS frameworks, JavaScript libraries, and versions of jQuery and Bootstrap. By providing a clear overview of the technologies in use, TechSpy assists developers and web enthusiasts in understanding the underlying structure of any site they visit.

In addition to identifying these technologies, TechSpy also checks for outdated versions of these frameworks and libraries. This feature is particularly useful for developers looking to keep their projects up to date and secure. With its user-friendly interface and free access, TechSpy serves as an essential tool for anyone interested in web development and design.