User blog comment:Brandon Rhea/How we're testing the fandom.com domain migration/@comment-31401870-20181007225445/@comment-20644-20181007232530

It's a combination of wikis of all types - big and small, high traffic and low traffic, and across all verticals (TV, movies, games, anime, comics, lifestyle, etc). Though it's a small subset, we wanted it to be an accurate reflect of the entire site.