You’re currently targeting all inventory in one campaign through an “All products” group. How should you find campaign optimisation opportunities?

Q) You’re currently targeting all inventory in one campaign through an “All products” group. How should you find campaign optimisation opportunities?
Ans:

a) Understand which creatives perform best in the “Ads” tab
b) Segment performance by various shopping views in the “Dimensions” tab
c) See query-level product performance in the “Keywords” tab

d) Check impressions for each product in Merchant Center