Paid Marketing
The Real Reason Your Lookalike Audiences Stopped Working
Signal degradation
Source audiences have less data post-iOS 14. Lookalikes built from weak sources produce weak audiences.
What outperforms
Broad with good creative + CAPI. Algorithm targeting now beats manual lookalike precision, especially on Meta.
When lookalikes still help
1-3% lookalikes of purchasers (narrow, high-quality). The 5-10% range became noise.