For all sites based on the Harry Potter series by J. K. Rowling

For all sited based on anything related to Disney

For all sites based on the Pokemon anime series, games, etc.

For all sites based on the Twilight series by Stephenie Meyer

For all sites based on The Vampire Diares by L. J. Smith or the tv show

For all sites based on a book, movie, tv show, etc. that doesn't have its own category.

For all sites with a theme that isn't based on anything, is modern-day (or nearly so) and enforces realism.

For all sites with a theme that isn't based on anything, but where the characters are animals

For all sites with a theme that isn't based on anything, but contains a destroyed world, zombies, etc.

For all sites with a theme that isn't based on anything, but contains superheros, supervillains, mutants, or other "enhanced" humans.

For all sites with a theme that isn't based on anything, but contains vampires, werewolves, angels, demons, etc.

For all sites that have a theme that isn't based on anything and doesn't fit into another category

For all sites that are primarily focused on writing or RPGs in general.