Ad refresh, commonly referred to as auto-refresh ads, is the practise of updating existing ads on a page without also updating the page itself.
when a user, for instance, completes a particular action, reaches the article's finish.
When a specific action described by a publisher takes place. As an illustration, a publisher added fresh content to the page.
At a certain duration, typically 30, 60, or 90 seconds, an ad refresh is initiated.
Ad refresh generally has positive effects on most apps. Nonetheless, your app will produce the best results if it has a long average session duration and average time on page.