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How can I track scroll depth using Google Tag Manager?

Asked on Sep 07, 2025

Answer

To track scroll depth using Google Tag Manager (GTM), you need to set up a Scroll Depth trigger and link it to a Google Analytics 4 event tag. This allows you to measure how far users scroll down your pages, providing insights into content engagement.

<!-- BEGIN COPY / PASTE -->
    1. Go to Google Tag Manager and click on "Triggers."
    2. Click "New" and select "Scroll Depth" as the trigger type.
    3. Configure the trigger by setting the vertical scroll percentages (e.g., 25%, 50%, 75%, 100%).
    4. Save the trigger and create a new tag.
    5. Choose "Google Analytics: GA4 Event" as the tag type.
    6. Set the event name (e.g., "scroll_depth") and configure the event parameters.
    7. Assign the previously created Scroll Depth trigger to this tag.
    8. Save the tag and publish your container.
    <!-- END COPY / PASTE -->

Additional Comment:

Ensure that your GA4 configuration tag is correctly set up in GTM to send data to your GA4 property.
Test the setup using GTM's Preview mode to verify that scroll events are firing correctly.
In GA4, you can view scroll depth events under Reports → Engagement → Events.
Adjust the scroll percentages based on your content length and user behavior insights.

✅ Answered with Analytics best practices.

Ask any question about Analytics & Tracking here... and get an instant response.

How can I track scroll depth using Google Tag Manager?

Asked on Sep 07, 2025

Answer

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