Board Thread:Support Requests - Getting Technical/@comment-3387692-20130307035904/@comment-168424-20130307074836

I don't think you can do that simply (to use with something like #ifeq, etc.).

However, if you just want to see if a page is a redirect, you can use the MediaWiki API. Here are some examples:
 * No redirect: http://community.wikia.com/api.php?titles=Thread:496809&redirects&action=query&format=json
 * Is redirect: http://community.wikia.com/api.php?titles=About&redirects&action=query&format=json