Suppose a site generates all of its revenue via Google AdSense. Is it best to put an AdSense banner in the same spot consistantly throughout the site? Or is it best to use different variations of the ad size and ad placement on different pages? Which is more user friendly? Would the latter provide a better CTR?
I am not looking to increase a clickthru rate right now. Instead, my goal is to provide a more user friendly and intuitive interface for surfing the site, while not having CTR drop.