A big NO and a small YES.

Why a small YES ?

It is obvious that if you place ads at some hidden position then a very few people are going to click them.

Why a big NO ?

Guess what will happen when everyone is placing their ads at the most optimum position on their website.

User will click initially on the ads but after sometime effective Clicks per page impression will drop. Their eyes will be trained to ignore those locations where effective clicks can happen and infact they will not look at it. People generally go to some web-site to look at the content not at those ads. After viewing at the web-site structure for sometime they stop ignoring those parts where advertisement exists. This is true for returning visitors.

What should be done ?

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