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Examining Rapid Advice For how does google adsense work
If new to this it may work best to present the Ad Slots and Placements the identical name, and possess this too are the name from the Ad Zone on your own website.
All you should do is stick a bit of code somewhere within your HTML as well as the ads should come up in places you put the code. Google really put an emphasis on detecting and penalizing spam and other black hat SEO practices with Google Penguin.