we all know that webpack hava did a lots of things for us, ESpecially in web optimize, many programme are used in webpack.such as compress、merge、GZIP、Component Lazy Loading. and we use cdn and dns prefech usually. and we have know we should use css3 as first plan to Solve problem, and vue have Dealed with DOM problems. so what programme we can use to Improving performance？
1：Pre-fetch the next page of resources
2：deal img by tiny
3：the Third-party resources is loaded Asynchronous
4：Rolling loading resource in long page
5：Picture Lazy Loading
6：use webp
7：do not use dataUrl
8：Use progress bar in Network Request
some Measures that not used usually
1：use pwa
2：use Web Workers
3：Offline package
4：service worker
5：Binary