This is an outstanding add-on, essential on any XF installation. To be honest, I can't stop running my sites through GTMetrix, Webpagetest, and PageSpeed. Thanks, Kirby!
Great addon that reduces loading times and thus improve your Google PageSpeed scores. If you use a lot of custom icons it may be a bit more work to get all the icons to show correctly but it is certainly worth your troubles.
This is a must have for any XenForo community to reduce the page load size of the first visit. It's kind of amazing how Kirby automated the whole process which required a lot of manual work in previous versions of XenForo.