What is GTM?
A tag-management system used to deploy and manage marketing and analytics tags.
In practical marketing work, google tag manager is used to make planning, execution, reporting, or optimization easier to understand.
How is it calculated?
This concept does not use one universal industry-standard formula. Measure it with the KPIs that match the specific channel and objective.
Practical example
Google Tag Manager helps marketers plan, measure, or improve a practical part of a campaign.
Where is it used?
Google AdsAnalytics