To be honest Justin, 3 of us voted based on experience and opinion (we've sent millions of clicks to landing pages in our time). More art than science here. :)

To be honest Justin, 3 of us voted based on experience and opinion (we've sent millions of clicks to landing pages in our time). More art than science here. :) You make a good point about conversion rates but I dare say the page owners would release them, or even be honest about them!