Many sites surrender to the giddy thrills of large home page graphics, forgetting that a Web page is not just a visual experience it has to function efficiently to retain its appeal to the user. A complex home page graphic that takes forever to download, doesn't fit on the average reader's screen, and offers little or no functionality will repel most Web users. Avoid Scrolling . Don't design pages that require scrolling. Just as 75 percent of people will only read the top half of a folded newspaper, most browsers will never scroll.
People are much more likely to click a button and keep going.
For example, have the contents page of your site explain clearly where you are sending the user before they decide to go. Also be sure to explain what browser software and plug-ins are required so users are not confronted with unfriendly dialog boxes. And as with all data-intensive site elements, make certain that your multimedia content is relevant. If someone has come to your site to learn more about, say, web style guidelines, and you present them with a video of your pet hamster, you will simply lose your audience. Leading the user through a sequential presentation of information.