Last edited: 2025/04/02
Set general criteria for refreshing that will apply to this domain. You are able to set the separately for Desktop and Mobile. The type of Device is defined based on what is detected by the user’s Browser.
Refresh interval is the time after which the ad is reloaded expressed in milliseconds. We strat to count it the moment the ad impression meets Ad Threshold criteria (see below for more details).
The actual time can be longer if you are using as it pauses the Refresh interval timer when the user is inactive.
<aside> <img src="/icons/link_yellow.svg" alt="/icons/link_yellow.svg" width="40px" /> Learn more about Google’s policy on refresh interval: link
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Note: If your are using Prebid Stack, the Prebid auction will be initiated slightly before the specified Refresh interval (based on the timeout settings). This ensures that the ad request is sent to GAM exactly at the defined interval, not a second later.
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You can set the refresh interval timer to start counting only after user activity is detected on a page. This means the timer for the next refresh will be triggered after the user:
What is the advantage of this feature?
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Good practice: Enabling it will positively affect viewability, as it increases the chance of showing the refreshed impression only when the user is still actively browsing the page.
If this feature is off, the refreshed ad may render without being counted as viewable. However, further refreshes won't occur as long as the ad threshold criteria are met.
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Ad threshold is the area of the ad that has to be in view in order for the Refresher to start counting refresh interval. It is defined percentage of ad that is in the user’s viewport.
<aside> <img src="/icons/arrow-right_green.svg" alt="/icons/arrow-right_green.svg" width="40px" /> Good practice: The recommended value is at least 50% so as to allow the ad impressions to be counted as viewable. If you’re struggling with viewability, please set this parameter higher, e.g. 70%, however if you have generally high viewability (>70%) you can set it very low (e.g. 20%).
The general rule of thumb is: the higher viewability the lower the ad threshold setting.
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