Copyright Office
Library of Congress 101 Independence Ave SE Washington DC 20559 (202) 707-3000
A Web site in itself is not covered by copyright. Copyright would cover the original text or original graphics which are created. If the elements on a Web site change periodically, you may register the updates on a regular basis. Your registration will cover will only the material submitted with each application.
Please see Circular #66, "Registering On-line Material", available on the Copyright Web site
http://www.copyright.gov.