User blog comment:Chronolegends/Chronolegend's Shrinking Hierarchy/@comment-30118230-20170211130502/@comment-1605058-20170211215617

Oh yeah, I forgot to mention they are rendered by the site differently - Wikia built in math is rendered as pictures, so they are all loaded with the rest of the page, while MathJax does only load after the rest of the content, which might cause a lot of lag if there is a lot of it on a page.