Analytics Checklist
Google Tag Manager Setup Checklist
A Google Tag Manager setup checklist for containers, tags, triggers, variables, data layer events, preview testing, publishing, and governance.
Interactive Checklist
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Container Setup
Set up a controlled container with clear ownership.
Confirm the website's existing containers and tags before adding another installation. Document production and test environments, access levels and naming conventions. Install the required snippets correctly and use an approved publishing process so changes can be traced and reversed.
Tag Inventory
Inventory existing tags before moving or adding them.
List hardcoded scripts, plugin integrations and container-managed tags, including their business purpose. Migrate one measurement path at a time and verify duplicate prevention. For GA4 setup, use the current Google tag terminology and confirm the destination rather than following an obsolete screenshot blindly.
Triggers and Variables
Use triggers that represent the intended user action.
Prefer a reliable success signal over a fragile visual selector when possible. Document event names, conditions and reusable variables. Test failed submissions and repeated clicks as well as success so a trigger does not report a conversion before the underlying action completes.
Data Layer
Define a data contract developers and analysts can test.
List event names, parameters, types and when each event should be pushed. Use stable identifiers and coordinate ecommerce or lead-state changes with developers. Keep personal or sensitive information out of the data layer unless an explicitly approved implementation requires and protects it.
Testing and Publishing
Validate the draft container before creating a production version.
Use Preview and Tag Assistant to inspect firing order, values and consent behavior across important pages and devices. Confirm events reach the intended reports. Publish with meaningful version notes and a rollback reference so an unexpected result can be traced to a specific release.
Governance
Control tag growth and publishing access over time.
Assign ownership for each tag and remove unused implementations after confirming their dependencies. Review access, performance cost and changes regularly. Keep a short measurement map so future maintainers know why a tag exists and how its success is tested.
Official References
Use the current documentation for platform-specific settings and requirements.
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