Yeah, I can agree with that. You really need to know what you're doing. We have benchmarks for most of such "micro-optimizations", though now we can know how th

Yeah, I can agree with that. You really need to know what you're doing. We have benchmarks for most of such "micro-optimizations", though now we can know how things are going to behave before we even make them, just from the experience. Definitely not something I'd suggest on an average traffic website.