As you use Google's AdSense for more and more time you begin to learn from the mistakes of the past, and you slowly begin to realize which of your actions kept your site from reaching its full potential.
But an important part to making a mistake is telling people about it and teaching them how to avoid making the same mistake. So this is a list of the top five mistakes people using AdSense make.
You should read them well, and see if any of them is applicable to your contents. If it is, you must stop and attempt to fix such errors as quickly as possible.