User blog comment:DaNASCAT/Technical Update: November 27, 2012/@comment-3030984-20121128163533/@comment-3441771-20121130014813

Good point, Pecoes. Wikia doesn't see to understand how to code HTML; they add a ID and a class to almost everything. Amongst the worst places are the editor and page headers. Could this be something to do with MediaWiki software?

However, that said, aren't IDs somewhat stronger than classes?