This thesis observes the readability and the legibility of the selected fonts and sizes in the information web pages by the performance of web designers and how this issue may affect the rate of comprehension while reading on screen. It considers how four different fonts may influence the rate of comprehension, the typefaces Georgia, Verdana with their sizes 8, 10, and 12 pt, which are made to be read on screen in information web pages in comparison to those of Arial and Times new Roman that are displayed on the web pages on computer screens by the web designers. A problematic question was raised ...