I've been trying to find a solution to split test my FBML Fan pages for the past few days without luck. I've tried just about every script in theVault as well as Google website optimizer without luck. The problem with most is that they either rotate the destination URL, or if they are dynamic like GWO they require you to put code inside the head tag which you obviously can't do with FBML. I found one that does neither but it requires a PHP page and it just showed up blank inside FB. I don't want to use the new Iframes because they have a bug that causes blank pages a large % of the time. Anyone have a solution for this? I imagine other people have to of run into this. I could probably double my profit if I could split test. Any help is appreciated.