Check 10 / 12 LOW impact In the full checklist
CBO testing: 3 creatives per ad set, kill <0.8% CTR
What this check is
Creative testing needs a structure that produces a decision: a few creatives per ad set, enough spend to reach significance, and a stated rule for stopping the losers.
How to implement it
Put three creatives in one ad set with the same audience and objective, define the metric and the threshold that ends a test in advance, and give each ad enough delivery to be judged. Kill on the rule, not on a feeling after two days.
How to verify it
For each completed test, check that the winning ad was kept and the losers paused after the threshold was reached, and that the decision is written down with the numbers.
All 197 checks, one Google Sheet
This page is the summary. The full checklist carries the priority, the impact score and the tool link for every check — all 197 of them, across 14 categories, as a Google Sheet and CSV with lifetime updates.
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