One of the basic principles of human behavior is that it is easier for people to work by recognition than by recall. Products should "afford themselves" - make it obvious how to use them - rather than require people to remember what to do.
Humans have limited short-term memory capacity, and in working on the web, your site visitors want to concentrate on their goals, not on memorizing links. Don't make using your site more difficult by burdening people's memory when you can help them by making links obvious and by indicating which links have been visited and which have not.
Was this article helpful?