Typically, this occurs on unfamiliar sites or pages with groups of general categories, such as search engine home pages. Compare user scan patterns . Counting how long each user looked at each area, and in what order, let us compare user strategies. We found few differences among users overall scan patterns, so we believe we need to test only a few users to learn how scan strategies apply to a page s design. Can t Let you know whether users actually see something.
Users can aim their eyes at an area for a short time without any result they are aware of.
Prove that users didn t see something. Users acquire useful information through peripheral vision such as the location of the scrollbar controls even when the scan data shows that they haven t focused directly on it. Determine why users are looking at something. Several users glanced at an animated baseball in an ad we created. The test had no controls for any of these factors, so we can only say that the baseball attracted some users eyes.