This is only a basic outline of the procedure involved in isolating profitable AdSense keywords
. But it is an important initial step that can give you an idea of the worth of a particular keyword. Of course a more in depth procedure involves using a keyword discovery tool like the one available through Google or the one at wordtracker.com. But finding a good niche among already popular, profitable AdSense topics is a good way to start for any budding AdSense publisher.