a fanlisting is, according to the fanlistings network, "a fanlisting is simply an online listing of fans of a subject, such as a tv show, actor, or musician, that is created by an individual and open for fans from around the world to join. there are no costs, and the only requirements to join a fanlisting are your name and country." here are all the ones i've joined/signed up for.
learn about fanlistings from the past.
anime and manga