If the information looks great on the screen but is confusing on the printout, your site will be less useful than it could be. Again, speed and brevity should be the prime motivators in your design process. Tell people what things are and where they are going. Help them make good decisions as they navigate your site. Limit use of graphics Graphics make things slow to load and slow to print.
Graphics often look different from one computer to another.
Use standard fonts Fast and clean. Fast and clean. When you print a Web-page that is extremely wide, often much of it gets cut off by the paper page margin. Their page includes general suggestions on educational use of the web and specifically covers issues involving content, navigation and layout. For more good advice Check out JQ Johnson's General Guidelines for designing a good Web-page.