Allowed sites are sites or URLs that allow publishers or wish to have their ads displayed on Google. If the address display AdSense ad code is not on the list of allowed sites, and will still be ads, but will not be appearing and clicks, advertisers will not be charged, and you will not receive any earnings for this title.
We've added the Allowed Sites feature because we have learned that some publishers are concerned about the behavior is likely to be harmful than others on the Internet, such as stealing their ad code and place it on the site is not suitable. Through the provision of this feature, we allow publishers more control over the sites or URLs can have the Adsense code.
Source: Google Adsense Support CenterWe've added the Allowed Sites feature because we have learned that some publishers are concerned about the behavior is likely to be harmful than others on the Internet, such as stealing their ad code and place it on the site is not suitable. Through the provision of this feature, we allow publishers more control over the sites or URLs can have the Adsense code.
