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Quick Fix
Performance

Why did my CPA increase suddenly?

Your account is being forced to re-learn a more expensive conversion path. This usually comes from a change in auction competition, conversion rate, or optimization stability.

What this means

Your account is being forced to re-learn a more expensive conversion path.

Quick steps
  1. Check conversion rate on site (not just CTR)
  2. Check CPM and frequency for spikes
  3. Check if anything changed in budget, attribution, creatives, or pixel

Run the diagnostic

Use the tool to identify exactly what's happening with your account.

Open diagnostic tool →
Want more detail? Read the full guide →