Eye tracking and usability go hand-in-hand with websites and other sources for information. For a website or online document to be viewed in a positive, helpful manner, then it is necessary to follow eye tracking rules. It has been proven that the eye moves toward specific elements of text on a page. For example, pictures at the top of a page are viewed first and document topics are read almost instinctively.
The following studies provide scientific evidence of where users look during an information search: