User blog comment:Brandon Rhea/Wiki domains will be changing from wikia.com to fandom.com in early 2019/@comment-2212553-20180815233903/@comment-20644-20180816004848

We expect a short term traffic decrease as search engines adjust to the new URL. We're working to ensure, through our own SEO team and their work with an SEO company, that the decrease is small and doesn't last long. We do not expect there to be a plummet.