node.js - node express4 compression模块为何要把compression放在最前面

Question

在用express开发时候，有很多app.use() 为什么报文压缩要放在开头
app.use(compression());
app.use();
app.use();
app.use();
...

Answer 1

This is the order relationship of the middleware, which ensures that all content is compressed.