Board Thread:Support Requests - Getting Technical/@comment-6475116-20150618003829/@comment-3388044-20150621071129

Another odd thing about that template was that, at Special:WhatLinksHere/Template:Fakelink, it listed as transclusions every single page on the wiki (up to the special page’s max) that had a redlink, even though the template was not transcluded to those pages. It slowed the whole wiki down and took 24 hours after deletion of the template for that list to clear, when normally that special page updates almost immediately. :O

Wikipedia has a template at wikipedia:Template:Red link that achieves the same goal, with minimal impact, and using no JS. This is it’s code:

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— Spike  Toronto  07:11, June 21, 2015 (UTC)