What Is Ad Refresh and How Does It Work? Ad refresh is the practice of reloading ad units while a user is still on a page—without requiring a full page reload. This allows publishers to serve multiple impressions per session, increasing overall ad inventory and potential revenue. However, not all refreshes are equal. Poorly timed or excessive refreshes can backfire, reducing viewability, frustrating users, and hurting CPM in the long run. Why Ad Refresh Can Boost CPM—If Done Right When implemented properly, ad refresh strategies can positively affect your CPM in several ways: Increased impressions per session means more monetization opportunities per user. Higher engagement signals from active users can result in better targeting and higher bids. Improved fill rates due to more available inventory served under optimal conditions. But the real key lies in balancing frequency, relevance, and viewability. Types of Ad Refresh Triggers There are several common metho...
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