Removing users, placements, or content from a campaign's eligible set: existing customers from an acquisition campaign, converters from a retargeting campaign, specific sites or apps, content categories. Exclusions are where most wasted spend is recovered and are set separately from inclusion targeting on every platform.
Related terms
Used in The Signal
Cite this entry:
Agency Echelon. "Exclusion." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/exclusion/