Going from vBulletin to Xenforo we've already noticed a considerable improvement on page speed and server load, but we're trying to optimize even further. The XF Debug info shows 3 primary stats to illustrate efficiency: Timing Memory DB Queries My question is about memory but I wanted to open this discussion to all suggestions and improvements as I think anyone working on 1 of them is likely working on all 3 of them. I'm having the biggest problem with getting memory size down- it's consistently 60MB+ on the homepage and 30MB+ on other pages. From what I've seen from others, typical sizes are well below 10MB. I can't seem to nail it down to an add-on causing this problem... perhaps it's a server configuration issue? Would love to hear what people are doing to bring down their memory size. And of course, any other tips for improving the stats in this debug info.