Lookalike Audiences
New audiences similar to your existing customers.
Definition
Lookalike Audiences are Meta's way of finding new users who share characteristics with your existing customers or website visitors. You provide a source audience (like purchasers), and Meta finds similar people. Lookalikes are powerful for scaling beyond your known audience.
Practical Tips
- Use your best customers as the source, not all customers
- Start with 1% lookalikes for quality, expand for scale
- Test lookalikes from different sources (purchasers vs. leads)
- Combine with interest targeting for refined audiences
Related Terms
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