Is it strictly to inform or entertain visually. It is best to strike a medium with moderately-sized images. Even when your readers have large display screens, the typical Netscape or Internet Explorer window still defaults to a window width designed for smaller monitors. When a page is developed with CSS, the user should be able to read the page if they turn the feature off. W3.org for CSS validation.
Web pages designed with frames are difficult for the visually impaired user.
Also, depending on the Browser version, Web pages with frames do not print well. If tables are necessary, limit them to a two-column format. Be sure to put the appropriate markers for column titles and other cell content information. Content developers should avoid using tables for layout purposes. These acts ensure that Northwestern Web pages will be readable by users with disabilities.