Wappalyzer

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

Chrome Extensions

Resource info

Host

chrome.google.com

WhatFont is the easiest way to identify fonts on web pages.

WhatRuns helps you discover what runs a website. Frameworks, Analytics Tools, Wordpress Plugins, Fonts - you name it.

Web Developer: Adds a toolbar button with various web developer tools.