Cached ad impressions are impressions when the delivery of an advertisement to a browser is from local cache or a proxy server‘s cache.
When a user requests a page that contains a cached ad, the ad is obtained from the cache and displayed.
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Cached ad impressions are impressions when the delivery of an advertisement to a browser is from local cache or a proxy server‘s cache.
When a user requests a page that contains a cached ad, the ad is obtained from the cache and displayed.