Split testing, also known as A/B testing, is commonplace for most pay-per-click (PPC) advertisers. The idea of testing two different ad copies or landing pages is nothing new, but I bet there are many advertisers that could dive a little deeper when it comes to split testing and discover a new level of clarity for their PPC campaigns. First, here is a quick definition of split testing as regards PPC. With split testing, two or...

