Notification

The Google Analytics: GA4 Configuration tag is now the Google tag. GA4 Configuration tags in a web container will be automatically migrated starting in September. There are no changes to your existing measurement and there is no action required from you. Learn more

Troubleshoot tag issues with Tag Diagnostics

Find and fix issues with your website's tags using Tag Diagnostics
Experiment icon for Gradual feature rollout  Gradual feature rollout: This feature is being rolled out gradually and may not be available in your account yet.

You can use the Tag Diagnostics tool to find and fix issues with your website's tags, ensuring that your data collection is accurate. You can access the Tag Diagnostics tool from the Google tag sections of both Google Ads and Google Analytics, and through Google Tag Manager.

Open the Tag Diagnostics tool

  1. Open the Google tag settings.
    Where are the Google tag settings?
  2. In the Google tag settings, go to the Tag quality subsection of the Your Google tag section.
  3. View the tag quality status, then click to find and fix tag detected issues.

Tag quality statuses

The Tag Diagnostics tool shows the following tag quality statuses to highlight detected issues, their severity and how to fix them. When you fix an issue, the status updates to show the improved tag quality.

Excellent

Excellent means that no issues have been detected with the Google tag. You won’t see any issues for this data quality status as your tags are considered fully optimised. However, be sure to continue to check the tag quality status as the status might change when new issues are detected.

Good

Good means that no issues have been detected with the Google tag, but we've provided at least one recommendation to improve your tag quality.

Needs attention

Needs attention means an issue with the Google tag needs your attention. The issue should be fixed, but the issue isn't critical.

Urgent

Urgent means that an urgent issue has been detected with the Google tag that you must fix immediately to preserve measurement.

Diagnostics

We may show you one or more of the following diagnostics to help you identify issues with your tagging setup:

  • Additional domains detected for configuration: If you have multiple domains as part of the user path to conversion (for example, a customer lands on Domain A, then navigates to Domain B to convert), you may need to add your additional domains to your configuration to ensure that your tags are durable and surface accurate data.
  • Config command out of order: This diagnostic appears if your gtag event commands come before your gtag config commands. This may result in unexpected behaviour while routing and processing those events.
  • Consent mode installation out of order: Some of your web pages may be loading consent mode commands in the wrong order. This may send inaccurate consent signals.
  • Missing conversion linker: This diagnostic appears when you have a Floodlight and/or a Google Ads tag, but you have not added a conversion linker tag to your Google Tag Manager container.
  • Some of your pages are not tagged: We'll tell you when pages on your website are untagged, which may impact the performance of your measurement. When this occurs, the Tag coverage summary displays the untagged pages to help you find and fix the untagged pages.

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