Good graphics direct the viewer's attention to the content and links that are the natural steps toward achieving the desired goal. Bad graphics direct attention to decoration or artifact or, worse yet, to links that take the viewer out of the desired navigation path. Having competing areas of high color contrast, prominently positioning nonessential information, and performing inappropriate animation are some of the graphic techniques that can lead viewers away from their goals. Readability Readability continues to be a common web site problem in spite of the number of critics who have raised this issue. Simply stated, there's no sense putting text on a web page unless it can be read.
Good graphics ensure that the text presented is legible and easy to scan.
Avoid making the font size too small. Don't make frames and tables so wide that the viewer will have to scroll horizontally. Be selective about the number and types of fonts used. Avoid extensive use of all caps. To understand the web page content, viewers need to assimilate it into their own context.