Add Google Analytics data to every product

1. Add a Google Analytics login in Integrations (+ Add new Google Analytics login).
2. Open the data source, go to the Products tab and click Link Google Analytics Data.
3. Pick the GA4 login, GA4 account and GA4 property (use Refresh accounts / properties if the lists are empty).
4. Choose your feed Item ID field - the field whose values match the item IDs in Analytics.
5. Pick the data report period (last 7 to 90 days, or custom) and, if needed, a Source / Medium filter.
6. Save. New fields with the GA4 metrics appear on every product after the next update.

Now build rules on them: exclude products with many views and no purchases from the Shopping feed, or label bestsellers for a separate campaign.