Google Tag Manager is used for managing and deploying marketing tags on a website without having to modify the code.
This allows you to integrate easily with other marketing tools and platforms such as:
1- Google Analytics
2- Google Ads
3- Facebook
4- Hotjar
5- CRM Platforms
And it allows you to track almost any kind of event or user behavior you can think of. Here are some examples of commonly tracked events:
1- Link clicks
2- Button clicks
3- Form submissions
4- Conversions
5- Shopping cart abandonment
6- Adding items to cart
7- Removing items from cart
8- File downloads
9- Scroll behavior
10- Video views
11- Call to action (CTA) performance
12- Table of contents (TOC) clicks
13- Custom events