Tags, triggers, variables, and the data layer
          Download PDF   Download PDF   Download PDF     Google Tag Manager uses "triggers", "variables" and a "data layer" to set up the firing of tags on your website or mobile app.   Watch this video for a quick introduction to key concepts and terminology in Google Tag Manager.     In this article :     Tags and triggers  Triggers and variables  Variables and the data layer  Implementation scenarios  Default data layer events for web      Tags and triggers   A  tag  is a snippet of code that executes on a page. Tags can serve a variety of uses, but most of the tags used in  Google Tag Manager are designed  to send information from your site to a third party. Examples include the Google Analytics tag and the AdWords Conversion Tracking tag, which send information about activity on your site to Google.   If you don't use a tag management solution such as Google Tag Manager, you add the code for each of your tags directly to the source code of your si...