Designs should work on screen resolutions of 640x480 and up. In general, all pages should load in less than 30 seconds at 28.8 bps. Yahoo style context and navigation showing where you are in the heirarchy Right hand navigation within section, stored as library items. All graphics files including .gif, .jpg, etc. In order to simplify maintenance, do not reference graphics stored in other directories.
Some programs convert the case of letters used in file names.
Avoid compatibility problems by only using lower case. Each file name will have one period before the file extension. This also helps avoid compatibility problems. Keep file and directory names short yet mnemonic. This will allow easier access control, coordination of multiple authors, and a consistent style for the site.