What is Lookalike audience? Definition and examples

A lookalike audience is an ad audience of new people who resemble an existing group, such as past purchasers.

Example

A 1% lookalike of your last 180 days of buyers targets the 1% of users in a country most similar to them.

Why does Lookalike audience matter for e-commerce?

Lookalikes were the backbone of prospecting on Meta; with broader automated targeting they're now one input among several.

How does Posta use Lookalike audience?

Posta's agents use Lookalike audience when reviewing your accounts and recommending changes. See the AI Meta ads management page for how it fits into your workflow.