I wanted to shout out this fun browser extension that a friend of mine caught me on to called
Wappalyzer. It lets you scan whatever web page you are looking at and gives you a run down on what plug-ins its using along with server languages, server types, and widgets. I recommend it to anyone who comes across a web page that uses something that looks really cool in its build, but you can't parse what that might be through right clicking into the source. It's also just fun to learn what a site is built on.