Maximizing the AdSense CTR and the earnings per click is one of the best ways to dramatically increase the income from your website. As Google is trying to minimize the number of clicks on ads this can make serious dent in your sites income.
According to this article you will have 3-4 ads on your page MAX. (NOT ad blocks. ADS). The fewer Adsense ads show on a page, the higher the average earnings per click for you. If you place more ads on your page, they will show ads that rank lower on Adwords (and are cheaper). You don’t want people to click on ads that pay you $0.05. You want them to click on ads that pay you $0.50!
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