Why is Node.js sending data uncompressed?

Question

Node.js

1) The data from the browser is in compressed form. (straight package). Packet 50 bytes without header.
2) The response from the server stubbornly goes in uncompressed form. Packet 250 bytes without header.
How to make it give compressed data.
socket.compression(true).emit - doesn't help.
socket.io 1.7.1

var express = require('express');
var io = require('socket.io');
var http = require('http');

var app = http.createServer();
var io = io.listen(app);
app.listen(3000);

io.sockets.on('connection', function (socket) {

Answer 1

At the moment, compression is disabled in the settings, because. leads to memory leaks. You can try to enable it back through: You
can read about the problem here:
https://github.com/websockets/ws/issues/804

Answer 2

I’ve recently been working on a node, I can be stupid, but in my express it doesn’t compress answers itself, try connecting require('compression')
var compression = require('compression')
var express = require('express')
var app = express()
// compress all requests
app.use(compression())

Answer 3

In any case, it is advisable for you to put HA Proxy or nginx before node.
Give him a squeeze. At the same time, you can add modern Brotli compression.