Custom Audiences
meta-specificCustom Audiences
Definition
Audiences created from your own data - website visitors, customer lists, app users, or engagement with your content.
How to Calculate Custom Audiences
N/A - Audience Targeting Method
Example
Scenario: Website visitors in last 30 days who viewed product pages
Calculation: Retargeting audience of ~5,000 warm prospects
What's a Good Custom Audiences?
Custom audiences typically have 2-5x higher conversion rates than cold audiences
Common Mistakes
- Not excluding purchasers from prospect retargeting
- Using audiences that are too small (<1,000 people)
💡 Expert Tip
Layer custom audiences with exclusions. Retarget cart abandoners but exclude recent purchasers to avoid wasted spend.
— Based on $100M+ in managed ad spend
Related Terms
By Kristijan Arapov • Based on $100M+ in managed ad spend • Updated 2026