Glossary
Viewable Impression
An impression that meets a defined viewability threshold.
Verification, Quality & Brand SafetyPractitionerSource: MRC
Definition
An impression that meets a defined viewability threshold.
Why it matters
Always confirm which threshold a reported viewability number is using before comparing across sources.
Key consideration
MRC standard: 50% of pixels in view for 1 continuous second (display) or 2 continuous seconds (video).
Related terms
Practitioner notes
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