sGTM Double-Counting Your WooCommerce Purchases? The event_id Fix
If your WooCommerce store runs a browser pixel and server-side GTM simultaneously, it is almost certainly counting every purchase twice — and the inflated ROAS you are seeing is the result. Incorrect event deduplication inflates reported conversions by 30–100%, corrupting ROAS calculations and ad algorithm training (Meta for Developers, 2025). The mechanism is a missing … Read more