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Lookalike Audience Definition

Definition: A lookalike audience is a type of audience targeting used in digital advertising (most commonly on Facebook and Instagram) that finds new people who are likely to be interested in your business because they share similar traits and behaviours with your existing customers. You upload a source audienceโ€”such as your email list, past purchasers, or website visitorsโ€”and the ad platform uses its data to find other users with matching profiles. Lookalike audiences help you reach fresh prospects without guessing who your ideal customer might be.

Example in a Sentence: The marketing team created a lookalike audience from their top 1,000 customers to find new leads with similar buying habits.

Why is a Lookalike Audience Important?

1. Expands Your Reach with Quality Prospects

Instead of targeting a broad, random audience, a lookalike audience focuses your ads on people who are more likely to convert because they resemble your existing customers.

2. Speeds Up Campaign Performance

Lookalike audiences skip the trial-and-error stage of targeting. You start with people who already have a high likelihood of engaging with your offer.

mirror on people

3. Improves Ad Spend Efficiency

By targeting only relevant people, your cost per lead or sale can dropโ€”helping your budget go further.

Find New Customers That Feel Like Your Best Ones

With a lookalike audience, youโ€™re not just guessing who to targetโ€”youโ€™re letting the platformโ€™s data do the work. This means you can quickly find potential customers who behave like your current top spenders and grow your business faster.

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