Even if a page is bookmarked, returning to that page will usually make it appear without frames, often making navigation within a site impossible. Contact Information A surprising number of web sites contain no contact details, physical, postal, phone and fax. Yet a significant number of visitors are looking for exactly that information. It should be available on or near the home page. Similarly it is frustrating to have a question partially answered on the Internet site and be unable to clarify or complete the enquiry without reverting to other mediums, particularly if the enquirer is located remotely.
Some sites have a notification option which emails subscribers when new content is added.
A search engine ensures that any navigational problems the user may have may be bypassed. As sites grow this option will become more important.