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4. Google Analytics Configuration

This section allows you to configure how the Zeotap Collect Tag interacts with your Google Analytics (GA) setup. Capturing GA-related IDs such as the Client ID or User ID can help improve identity resolution, data completeness, and enable integrations with services like Google Optimize360.

You can specify whether these IDs are collected on all events or only during login.

Pick Google Analytics Client ID​

  • Purpose: If selected, the Zeotap tag will automatically extract the GA Client ID from the relevant _ga cookie.
  • Usage: This ID is commonly used in GA for identifying unique users across sessions.

Configuration​

  • Enable Client ID Capture: Select the checkbox labeled Pick Google Analytics client ID in the tag configuration.
  • GA Client ID Cookie Prefix:
    • If your GA cookie is prefixed (e.g., brandname_ga), specify that prefix here.
    • If the GA cookie is standard (_ga), leave this field empty.

Note: Make sure your GA setup supports this format and that the _ga cookie is accessible at the time of tag execution.

Example​

If your cookie is named _ga_example, enter example as the prefix.

GA Client ID Cookie Prefix: example

Use Only for Login Event​

  • Purpose: Restrict the use of GA IDs (Client ID or User ID) only to login-related events.
  • Behavior: When this checkbox is selected, the captured GA IDs will only be attached to events that are identified as login actions in your GTM configuration.

Recommended if GA identifiers are only needed for authenticated users.

If you're unsure about how your GA cookie is configured or whether to include the Client ID on all events or just login, consult your analytics team or review your GA settings.

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