Forum Moderators: martinibuster
try and reduce every other variable....don't choose one of these experiment weeks to buy a big cpc campaign on overture for example.
a month of twiddling and changing and you should get a good idea....your "maximum potential" may well need to have different placings on different pages....have you got the time?
I can tell you, its well worth the time! Try it on a few of your most popular pages...