Check 10 / 12 LOW impact In the full checklist
Track add_to_wishlist and begin_checkout events
What this check is
A wishlist save and a checkout start are the two signals that sit between interest and purchase. Tracking them makes the retargeting audiences and the funnel report far more precise.
How to implement it
Fire add_to_wishlist when the save control is used, with the item parameters, and begin_checkout on the first checkout step, then use both in audience definitions and funnel reports. Keep the naming identical to the other events.
How to verify it
Save a product and start a checkout in a test session and confirm both events appear in the real-time report with the right item data and no duplicates.
All 197 checks, one Google Sheet
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