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You asked

Why are my ads still spending but getting worse results over time?

Ad impressions and reach are increasing across your campaigns, with more users seeing your creative over time. Delivery metrics show broader exposure and consistent distribution, suggesting that your ads are reaching a larger audience than in previous periods.

Symptom

Ad Frequency has reached 4.8 — the same audience member has seen the active creative nearly five times on average without a creative change.

Cause

Platform algorithms optimize for delivery probability to audiences with conversion history — not for attention probability — so frequency climbs while engagement falls.

Impact

CPA has risen thirty-one percent as more impressions are required to generate the same conversion volume from a fatigued audience.

Full diagnostic context

Ad impressions and reach are increasing across your campaigns, with more users seeing your creative over time. Delivery metrics show broader exposure and consistent distribution, suggesting that your ads are reaching a larger audience than in previous periods.

Ad Frequency has reached 4.8 — the same audience member has seen the active creative nearly five times on average without a creative change.

Platform algorithms optimize for delivery probability to audiences with conversion history — not for attention probability — so frequency climbs while engagement falls.

CPA has risen thirty-one percent as more impressions are required to generate the same conversion volume from a fatigued audience.