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I have some experience in successfully creating custom events for GA4 via Tag Manager, but I have one account where my events are firing in GTM but not showing at all in GA4 (not real time or anywhere). I have twice done them over and published my changes but still no luck. Any ideas what else the issue can be? There are no internal filters at the moment. Thank you.

@blueprintmarketing Thank you so much. That's what I suspected but like I said, GA/GTM is not my strong suit.

My client's site that is reporting an under 10% bounce rate for all sources. Direct is the highest at 8%. I'm no expert in GA but wondering if there is a problem with the analytics/tag manager code on the site. I'm especially concerned about the GTM body script being in an iframe which I read could be trouble.

<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MWGMNW6"
height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- End Google Tag Manager (noscript) -->

You can see all the source code here:
view-source:https://nfinit.com/