There are people in this world that sit around and track web visitor eye balls. The motivation is acutally quite useful to you and I.
If you know where visitors like to peek at first. You will put your most powerful message there.
A joint eye tracking study conducted by search marketing firms Enquiro and Did-it.com and eye tracking firm Eyetools has shown that, during a search, the vast majority of eye activity focuses on a "golden triangle."
After using Google search result pages, researchers found that visibility dropped quickly in the organic rankings, from 100% for the top listing, to 85% at the bottom of the "above the fold" listings. Visibility fell below the fold, from 50% at the top to 20% at the bottom.
They also found that side-bar sponsored ads, that the top ranked results received much more in the way of both eye activity and click through than did those that followed. About 50% of participants looked at the top ad, while only 10% looked at ads in the 6, 7 or 8th position on the page.