English version of the Google Analytics Help Center supplemented by a new section with recommendations for the using of Google Tag Manager.
- When and why to use Google Tag Manager
- Best practices for naming conventions and setup tips
- When to choose the Data Layer or the Tag Manager UI
- How to implement GA event tracking, custom dimensions & cross-domain tracking
- How to setup AdWords, Doubleclick, and Dynamic Remarketing tags in GTM
Tag Manager greatly simplifies their creation, and also allows you to use advanced tracking feature used by some popular sites.