Reference / Glossary / Measurement
Unique Reach
Reach deduplicated across placements, devices, and ideally platforms, so a person seen on YouTube and Display counts once. Google and Meta report unique reach within their own systems; cross-platform unique reach requires a panel or identity partner.
Related terms
Cite this entry:
Agency Echelon. "Unique Reach." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/unique-reach/