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Zero Engagement Rate in GA4 with Custom Dimension Integration
Hey there! I’ve been playing around with custom dimensions in my GA4 and it’s going pretty cool with predefined dimensions. Take this “Date” dimension for instance, it’s smooth sailing with GA4. Check out this report with the predefined dimension.
But here’s where things take a funky turn, once I roll in the custom dimension: “Is site”, the whole report flips a switch. Just to be clear, the custom dimension is set to “Event”. Have a peek at the report with the custom dimension.
And then, for reasons that totally escape me, “User engagement” and “Average engagement time” work just fine. But “Engagement rate” and “Bounce Rate” nosedive to a grand total of zip, zero, nada (the bounce rate is showing a 100%, but that’s just because the engagement rate is totally AWOL).
Here’s the thing: I’m expecting the “Engagement rate” and “Bounce rate” to be buddies with the custom dimensions. Can any of you beautiful people tell me what’s going haywire with this? Thanks a ton!
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2 Replies
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It seems like your custom dimension “Is site” might not be correctly set up, since it’s affecting your “Engagement rate” and “Bounce rate” measurements. This could be due to a variety of reasons, sometimes the custom parameters aren’t defined correctly in the code or the values being passed for that dimension aren’t recognized. Instead of being associated with each user’s behavior, it seems the custom dimension is acting like an event and hence not capturing engagement correctly. You might have to revisit the custom dimension setup to make sure it’s collecting and analyzing the data as expected. Additionally, check your settings for “Engagement rate” and “Bounce Rate”, as there may be conflicts with how the custom dimension is defined. If the problem persists, you might want to reach out to Google Analytics support for a pointed resolution to the issue.
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The issue you’re experiencing could be the result of the way that Google Analytics 4 (GA4) calculates Engagement rate and Bounce rate, which might not be aligned with your custom dimension settings. When you apply a custom dimension, GA4 might not find suitable data to calculate the Engagement rate and Bounce rate, which could explain while these numbers are falling to zero. Please ensure that the event data assigned to the custom dimension are suitable for these metrics. Remember, ‘Engagement rate’ is calculated as Engaged sessions divided by Total sessions. ‘Bounce rate’ in GA4 is calculated differently than in Universal Analytics, it’s now Engagement bounces divided by Total sessions. According to Google, an engagement bounce is when a user visits your site, and leaves within 10 seconds, or visits just one page on your site, or has less than 2 engagement events. Your custom dimension should reflect this new calculation. If it doesn’t, it could result in a 100% bounce rate or no data at all. If you are sure your dimension is correctly configured, you might need to get in touch with Google’s support to dig deeper into this issue.
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