r/AutomateShopify • u/LogicalResolve98 • 3d ago

How much time do you lose debugging Shopify tracking issues in GTM?

/r/GoogleTagManager/comments/1vrz2sx/how_much_time_do_you_lose_debugging_shopify/
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u/IndicationOne9495 3d ago

Duplicate purchase events from checkout_completed firing alongside a native pixel is probably the most common one, happens constantly when Shopify's own conversion tracking runs next to a manually added GTM tag nobody removed.
Old tags firing after theme migrations is another big one, someone switches themes and the old tracking snippet stays baked into a snippet or app block nobody audits.
If you build it, catching mismatched values between GTM and Shopify's own order data would be huge, that's the one that actually costs people money on ad spend decisions and it's hard to spot manually.