Patent attributes
A server uses cookie requirement information obtained from a web site, along with user specific information, to generate one or more cookies that are stored at the server and that can be used to generate customized web documents from the web site. The cookie server provides the cookies to the client which transmits the cookies to the web site to obtain the customized web document, which is customized according to the user information. The server also updates the stored cookies collectively, in response to receiving updated user information, such that the one or more web sites that are customized with the cookies are to be customized according to the updated user information.