Using Google AdSense Hurts Mobile User Experience, Violates Google’s Own Guidelines
Bill Hartzer
MARCH 7, 2016
The other area that I am concerned about, however, is the leveraging of the browser caching on other Google resources: Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network. onload=init (30 minutes).
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