It's important to understand the ways they can be used to improve a site in terms of performance and usability. CGI scripting is a key to building responsive, interactive sites. If you're a programmer, you'll learn how to interact with a Web page for any programming task. Navigational models allow the visitor to create a mental image of a site's organization. This is important in reducing cognitive and memory overload.
Metaphors are ways of expressing the unfamiliar in familiar terms.
Animation has been very popular on the Web since the early days. In addition to learning the various techniques using to make things move on a Web page, we'll also focus on the drawbacks of each method. Very few sites are successful on their own. Strategic alliances with other sites help to build recognition, prestige and traffic. Banner ad revenues have evaporated in the past few months.