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Possible Causes for Missing Hits in GA4 Debug View on a Specific Subdomain
You know, I’ve been having this interesting issue with GA4’s debug view. I’ve got a specific subdomain and, even though in GTM I can see the tags have been fired off and plenty of hits have gone to the right measurement ID, see these GA hits in GTM, I can’t see the events for this one in the debug view.
What’s baffling is that I don’t have this issue with any other subdomains or cross-domains. Plus, all the data for this tricky subdomain, including its hostname, appear fine in reports. The hiccup is only in the debug view.
GA4 is usually good about auto-detecting subdomains, so I’m a bit at a loss about what could be wrong or how to tackle it. Especially because if the tags are fired and hits are sent, events should show up in the debug view without a hitch. The weird part is I don’t think it’s due to internal traffic because that’s not an issue for other subdomains. Quite the conundrum, no?
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2 Replies
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This could be due to a myriad of factors. First, ensure you are using the proper Measurement ID within the Content this generates for the debug URL, and keep in mind that GA4 Debug view does have certain limitations. Mostly, the Debug view shows data in real-time, so if the events are not occurring at the time you’re inspecting the debug view, they won’t show up. Secondly, make sure you’ve correctly implemented your tags for this specific subdomain within Google Tag Manager, paying special attention to any differences between this subdomain and the ones functioning properly. Lastly, consider using Google’s Tag Assistant to validate, troubleshoot, and optimize your Google Tags. It could help you identify undetected issues that might be contributing to the missing events in the Debug View. Even small configuration issues could lead to these discrepancies. If none of this resolves your conundrum, it may be worth reaching out to the Google Support team for further assistance.
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It sounds like you’re dealing with a puzzler where your GA4’s debug view isn’t showing events for a certain subdomain even though hits are being fired off correctly via GTM. Although it’s uncommon, there could be a hiccup specific to that subdomain or how GA4 is processing its data in debug view. It might be worth seeking advice from GA4 support or technical communities online for this quirky issue.
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