Tag: ecommerce tracking

How to Fix Google Merchant Center Item ID Mismatches in Shopify

Illustration showing Shopify product IDs being synced with Google Merchant Center, highlighting item ID mismatches, feed errors, and corrected product ID matching for better product visibility.

Item ID mismatches between Shopify and Google Merchant Center break product-level advertising intelligence without triggering a single error message. Shopping campaigns keep spending, conversions keep counting, and dynamic remarketing quietly stops working. This guide explains the structural cause, the precise diagnosis, and the Google Tag Manager fix that resolves it without touching the product feed.

How to Improve Event Match Quality in Server-Side Google Tag Manager

Illustration showing Server-Side Google Tag Manager improving event match quality by collecting, processing, enriching, validating, and routing web, app, API, and offline event data for analytics and marketing platforms.

Most server-side GTM implementations score 5 to 6 on Event Match Quality and stay there for months without anyone noticing the optimization cost. The technical setup looks complete, events arrive at the destination, dashboards report no errors, but the matching signal sent to ad platforms is weak. This guide explains why this happens and which configuration decisions move scores into the high range.