the concept of middle layer has been put forward for a long time, but there has been no practical operation. I have written a personal website with koa, so there is a certain foundation. Using the middle layer can mainly reduce the energy consumption of the client and greatly optimize the loading of the first screen. I have also seen some post forums, which are generally written by template engines such as ejs, or Nunjucks. Our project is generally written in front-end with vue, which itself is single-page rendering. So here I would like to ask whether it is necessary to add node middle tier
after using a framework like vue.