Google Tag Manager is a vital tool for any webmaster or site owner. The system plays a critical role in managing any website's tags. ... One prime example is the JavaScript code tag which is vital to making Google Analytics work. That tag collects the data that Analytics needs to deliver its various reports and insights. How to Set Up Google Tag Manager Follow the coding instructions. ... Configure your tag. ... Choose a tag type. ... Link your tag to Google Analytics tracking. ... Choose a trigger to determine when the tag is recorded. ... Save your tag. ... Activate your tag by pressing "Submit."