Difference HTTP1.0, HTTP1.1 and the HTTP2.0
https://juejin.im/entry/5981c5df518825359a2b9476
https://zhuanlan.zhihu.com/p/43787334
Network protocol
https://www.jianshu.com/p/6e9e4156ece3
https://juejin.im/post/5a069b6d51882509e5432656
https://juejin.im/entry/5981c5df518825359a2b9476
https://zhuanlan.zhihu.com/p/43787334
https://www.jianshu.com/p/6e9e4156ece3
https://juejin.im/post/5a069b6d51882509e5432656