s Data Tag with a Data Client, then add a GA4 tag to the server container. 7. Apply the shopper A complete setup should track the full shopping journey, from product views and cart actions to checkout, purchases, and refunds. If several apps, pixels, or Google Tag Manager setups send the same event, GA4 can count one order two or more times. You can filter out information, add details, and control exactly what GA4 receives. Shopify remains the main source for confirmed orders and payments, while GA4 helps you analyze customer behavior, traffic sources, and campaign performance.