Measurement5 min read
Read the numbers without fooling yourself
Most first-time advertisers read the wrong metric on the wrong day.
The attribution model inside Meta is not lying to you, but it is not telling you the whole truth either. Profitability is a 30-day question. Creative signal is a 72-hour question. Do not mix them up.
The four metrics you actually need
- Hook rate — did the first three seconds work? Target 25%+ on Reels-style placements.
- CTR (all) — did the middle of the ad sell the click? Target 1.5%+ for a cold audience.
- CPA — is the math working? Target below (gross margin × AOV).
- Payback period (blended) — how many days until the cash comes back? This is the only metric that matters at the company level.
Decisions by day
Day 1–2: do not touch anything. Day 3: kill creatives with hook rate below 10%. Day 5: scale the single best creative by duplicating the ad set at 2x budget — do not edit the live one. Day 7: if nothing is under target CPA, the creative concept is the problem, not the budget.
Every edit you make to a live ad set resets learning. Favor duplicating over editing, and treat the dashboard like a log, not a dopamine machine.