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NodeJS Performance

Enable gzip

const http = require('http')
const fs = require('fs')
const zlib = require('zlib')
http.createServer((request, response) => {
 const stream = fs.createReadStream('index.html')
 const acceptsEncoding = request.headers['accept-encoding']
 let encoder = {
 hasEncoder : false,
 contentEncoding: {},
 createEncoder : () => throw 'There is no encoder'
 if (!acceptsEncoding) {
 acceptsEncoding = ''
 if (acceptsEncoding.match(/\bdeflate\b/)) {
 encoder = {
 hasEncoder : true,
 contentEncoding: { 'content-encoding': 'deflate' },
 createEncoder : zlib.createDeflate
 } else if (acceptsEncoding.match(/\bgzip\b/)) {
 encoder = {
 hasEncoder : true,
 contentEncoding: { 'content-encoding': 'gzip' },
 createEncoder : zlib.createGzip
 response.writeHead(200, encoder.contentEncoding)
 if (encoder.hasEncoder) {
 stream = stream.pipe(encoder.createEncoder())


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