It helps to keep your code clean and make modifying your code easier in the future. Nobody likes to scroll. If you must put a lot of information on a single page, create a mechanism in which the user can jump between sections. Tables are a powerful tool. You can center an entire page contained within a certain width by using one.
Frames are a handy way to aid the user's experience in navigating sites.
The drawback is that bookmarks will call only the frame that was marked, not the entire frameset. This site is best viewed in at a resolution of 800 x 600. Inc. All rights reserved.