Wappalyzer is a Chrome Extension which helps you to find the technologies that are being used by websites and web apps. Wappalyzer Official Website
How to Install Wappalyzer Chrome Extension?
Step 1: Open Chrome Web Store extensions and in the search button search for Wappalyzer
Step 2: Select the Wappalyzer extension and click on add to install on your web browser.
Step 3: Once added then you start using this tool to find the technologies being used on any website.
How to use Wappalyzer and How it works?
Step 1: Go to any website
Step 2: Now, click the Wappalyzer extension to list out the technologies identified from the tool.
Step 3: click on a technology or category for get more insights about that technology or the service.