Understanding the Z-Layout in Web Design | Webdesigntuts
The premise of the Z-Layout is actually pretty simple: super-impose the letter Z on the page. Place the items that you want the reader to see first along the top of the Z. The eye will naturally follow the path of the Z, so the goal is to place your “call to action” at the end. All along the path you can include bits of information that build up to the call-to-action. Let’s take a look at the diagram: