This is an amazing plugin! Wish I could use it at WPEngine. It's a faster server which I'm trying for my large WP site, but my Pingdom rating has gone down from 97 to 86 since I cannot use W3 Total Cache! Starting from zero trying to find ways to bring up my rating again. But Dreamhost just can't handle my traffic--especially the spikes. And VPS would cost me even more than WPEngine. So trying to find a happy medium. Miss my W3 Total Cache. Use it on all my clients' sites as well as my smaller sites. Highly recommended. A little bit of a learning curve to use it to its fullest potential, but even helps if you just use defaults.