Green_Grass - 8:27 am on Jun 13, 2006 (gmt 0)

Too much tampering. Too many changes. Fiddling with the page by changing keywords continuously etc, generally brings down EPC for me. Once I am happy with a page, I leave it for a while and things begin to stabilize and then move up slowly.

I will say too much experimentation, creates a LPP.

and Yes .. More focussed the page, better the ad targetting and better EPC.