Wappalyzer

Wappalyzer is a technology profiler that shows you what websites are built with. 

Find out what CMS a website is using, as well as any framework, ecommerce platform, JavaScript libraries and many more.

Wappalyzer is more than a CMS detector or framework detector: it uncovers more than a thousand technologies in dozens of categories such as programming languages, analytics, marketing tools, payment processors, CRM, CDN and others.