User blog comment:Brandon Rhea/Making Ads Better: The Basics/@comment-30273585-20170117010942/@comment-4403232-20170117041425

I have a mediocre computer, and the lag Wikia brings with ads is unbearable, and an issue I don't have with other sites' ads. Three Wikia tabs can literally bring my browser to a crashing halt, whereas I can have 40+ tabs of other sites and not have any performance losses.