Read what the brilliant Jakob Nielsen has to say about webpage scrolling and attention. Results? 80% of users’ time is spent looking above the fold (e.g. above where they’d have to do a vertical scroll).
In the process of our library’s website redesign, I’ve become a bit of a fascist about keeping content above the fold. I don’t want people to scroll unless they’ve consciously made a choice to access a large piece of content – e.g. an article, lengthy list of resources, new books list, etc. If the page is at any navigation level but the bottom, then it needs to stay above the fold. Rawr! Come on…just try to pass a page by me that requires scrolling. Then let’s see how far you get
via @NNgroup on Twitter