Embodiments of the present invention enable efficient presentation of user information. A user identifier is presented on a page. In response to a selection of a user identifier, one or more user information modules are utilized to return information relating to the user. The user information modules are modules that maintain user information in association with a user. In one embodiment, a configurable java server tag function generates the presentation of the user identifier, which can then be selected and utilized to request information from one or more information sources.