Easy To Use
There are only four things in Google Tag Manager; Tags, Triggers, Variables, and Data Layer.
Time Saver
GTM saves an enormous amount of time with its built-in event manager.
Version Control
It is very easy to switch to the old version if there is some issue with the change.
Easy Javascript / HTML Integration
GTM accept any HTML or Javascript, so complex tagging become easier.
Users and Permissions Management
GTM makes it easy to set permissions for individual users and control internally who can make changes to the website and assist with creating tags, macros, and rules
Marketer Friendly
Peace of mind for Marketers. It comes with 100s of built-in marketing tags
Limited Dependency with Developers
It is always frustrating for marketers to wait until IT implement the changes.
Debug Easier
The Tag preview feature is a great feature to debug issues in tags.
GTM works in Mobile Apps
With Firebase SDK , GTM works similar to the web.
Event Tracking
Traditionally, event tracking involved adding code to the website to track visitor events like clicks, video engagement, and form submissions. GTM’s auto-event trackingfeature eliminates the need to tag each link you want to track manually.