Coherency is an overall sense of your design hanging together. It’s a congruity and harmonious consistency in the relation of all parts to the whole. And it’s largely ignored by landing page testers. In today’s By the Numbers column, “Coherency in Landing Page Testing,” Tim Ash shows how this can lead visitors to respond to incoherent pages with a variety of gut reactions, and none of them are flattering.
February 6, 2016