Question: What’s a best practice to follow when designing an experiment to test Performance Max campaigns?
- Create a new CPA or ROAS goal for Performance Max campaigns to achieve.
- Keep Performance Max budget limited to 10% of other campaigns’ budgets.
- Optimize Performance Max to a comparable CPA or ROAS target to other campaigns.
- Run the Performance Max experiment for one to two weeks before evaluating results.
The right answer was: Optimize Performance Max to a comparable CPA or ROAS target to other campaigns.