It is 3 PM some where on the Internet all the time. Servers should not be shut down for update and maintenance. This implies a multitasking operation. Graphics and audio files should be clearly identified through use of icons. Almost any old obsolete computer can be used as a server.
Storage capacity is more important than powerful CPUs.
Storage space and network bandwidth are both finite. Time costs more than equipment. Administering a server takes more time than expected. Organizing information is sometimes harder than producing it. Writing HTML documents is far easier than it first appears.