1. A computer-implemented method, comprising: defining a networked association between users based on social activity information related to social activities of the users on a contents sharing web site, social activities of the users including social activities between the users and the social activities of the users on the contents sharing web site; obtaining a link relation for at least one of the users based on the defining of the networked association; providing non-link information, the non-link information including at least one non-link item selected from the group consisting of: an average rating of content created by the at least one of the users; an average daily hit count of the content created by the at least one of the users; and an average daily favorited count of the content created by the at least one of the users; and computing a user reputation for the at least one of the users based on the obtaining of the link relation and the providing of the non-link information.