For your Performance Max campaign, it’s important to ensure you have a diverse set of creatives that can be automatically combined into various ad formats that can serve across all surfaces.
Campaigns with a limited set of assets can be more likely to have performance fluctuations because they are eligible to enter into fewer auctions and can therefore be more heavily affected by increases in competition.
What you can do
Check your campaign’s Ad Strength and Diagnostic insights to identify if greater asset coverage may improve serving.
Need something else?
Check other common reasons why your campaign performance is fluctuating.
