Publishing Guide

Ad Viewability Explained

Viewability indicates whether measurable ad impressions met viewable criteria used by the measurement system.

Why publishers care

Higher viewability can improve the attractiveness of inventory to buyers.

UX connection

Layout, scroll behavior, ad position and page speed can influence viewability.

Avoid harmful optimization

Do not manipulate users or create layouts that cause accidental clicks.

Practical takeaway

Use the metric that matches the business question you are trying to answer. When several metrics describe different stages of the same workflow, compare them together rather than optimizing one in isolation.

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