Word Press Performance Enhancements

i'm always a details guy, so i'm curious to see what are some of the performance enhancements you've made with word press. And i'd be willing to bet that the cashing plays a large part in performance. Are that some of the enhancements that you work on? Yes, o different. There's of course, different, different groups within the performance team. They focus on different aspects. So ther to have been, i some several, like kind of minor, minor performance improvements on the service site.