Many Web sites need to be updated frequently so that the
information they present doesn't become stale. But the presence
of new information may not be obvious to readers unless you make
a systematic effort to inform them. If items that appear on your
home page menu are updated, you could place a "new" graphic next
to each updated item. If, however, your site is complex, with
many levels of information spread over dozens (or hundreds) of
pages, you might consider making a "What's New" page designed
specifically to inform users of updated information throughout
the site. Every Web page in a corporate or institutional site
should carry a revision date that is changed each time the page
is updated so that users can be sure they have the latest
version. Many readers print pages from the Web. Without a
revision date, your readers have no way of telling whether the
page they printed is current or outdated.