Acquisition

Lookalike Audience

A modeled audience a platform builds from a seed list, finding new people who resemble existing customers. Lookalike quality is determined almost entirely by the seed — a high-value seed outperforms a broad one.

Related Terms

Creative→

CTR

Click-Through Rate — the share of impressions that produce a click. On paid social, CTR is primarily a creative metric: a rising CTR usually means the hook is working, while a falling one signals creative fatigue.

Acquisition→

ROAS

Return on Ad Spend — the revenue attributed to an ad channel divided by the spend on that channel. Platform-reported ROAS is inflated by attribution defaults, so we read it alongside blended ROAS and MER.

Lookalike Audience

CTR

ROAS

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