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.
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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.
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- 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.
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