Horizontal attention leans left - Nielsen

A recent post from Jakob Nielsen on his eyetracking findings about left-to-right user attention.

Web users spend 69% of their time viewing the left half of the page and 30% viewing the right half. A conventional layout is thus more likely to make sites profitable. 

Horizontal attention leans left - article by Jakon Nielsen

These findings tie in with his earlier reports of "F-shape" reading patterns.

F-Shaped Pattern For Reading Web Content - article by Jakon Nielsen