本视频属于openHPI课程Web Technologies。你想看更多吗？
An error occurred while loading the video player, or it takes a long time to initialize. You can try clearing your browser cache. Please try again later and contact the helpdesk if the problem persists.
转换到当前位置
需要使用字幕时，请在视频播放器设置中选择一种语言。
关于这个视频
The teaching team picks up frequently asked or interesting questions from the discussions in the weekly "office hours" videos and gives some more illustrative background information or explains details.
This week's topics:
- Caching
- Persistent Connections
This video is optional, you do not have to watch it to be able to take the weekly assignment.