Because there are few quality controls on the Internet, before one chooses and cites any Internet source, one must use the same guidelines as for printed sources but apply these guidelines even more vigorously. In addition to the above questions which can be asked of ALL sources, the following questions are especially pertinent to information found in the Internet. Additional points to ponder when using information found on the web. Always return to the home page to determine the source of information. Search engines may land you anywhere on a site.
Web pages move and disappear quickly.
Document any information fully. It seems to be more difficult to make a distinction between advertising and information. Consider whether the primary purpose of the site is news , informational , marketing , advocacy , advertising , or personal . The web is only one source of information. Just as in print, information found on the web may be useful or useless.