Compare performance of Axios vs. SuperAgent when running under Node.js

axios-vs-superagent.js

const HttpAgent = require('agentkeepalive')
const superagent = require('superagent')
const Benchmark = require('benchmark')
const axios = require('axios')
const http = require('http')

var suite = new Benchmark.Suite()
const targetUrl = 'http://httpbin.org/ip'
const axiosInstance = axios.create({
  baseURL: 'http://httpbin.org',
  httpAgent: http.httpAgent
})

const httpKeepAliveAgent = new HttpAgent({
  keepAlive: true,
  keepAliveMsecs: 2000,
  keepAliveTimeout: 30000,
  timeout: 60000
})

suite
  .add('axios', {
    defer: true,
    fn: function (deferred) {
      axios.get(targetUrl).then(function () { deferred.resolve() })
    }
  })
  .add('axios(keepalive)', {
    defer: true,
    fn: function (deferred) {
      axiosInstance.get('/ip').then(function () { deferred.resolve() })
    }
  })
  .add('superagent(promise)', {
    defer: true,
    fn: function (deferred) {
      superagent.get(targetUrl).then(function () { deferred.resolve() })
    }
  })
  .add('superagent(end method)', {
    defer: true,
    fn: function (deferred) {
      superagent.get(targetUrl).end(function () { deferred.resolve() })
    }
  })
  .add('superagent(end+agent)', {
    defer: true,
    fn: function (deferred) {
      superagent.agent(httpKeepAliveAgent).get(targetUrl).end(function () { deferred.resolve() })
    }
  })
  .on('cycle', function (event) { console.log(String(event.target)) })
  .on('complete', function () {
    console.log('Fastest is ' + this.filter('fastest').map('name'))
  })
  .run({ async: true })