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easy-js-perf's Introduction

easy-js-perf

A human readable wrapper of window.performance API

Usage

$ npm install easy-js-perf

It works on both browser and CommonJS environment, suppose you're using Webpack:

import Perf from 'easy-js-perf';
console.log(Perf());

And the output looks like:

{
  "domReady": 3271,
  "load": 4497,
  "domInteractive": 2420,
  "dns": 66,
  "ttfb": 578,
  "firstPaint": 3093,
  "requests": {
    "css": {
      "cnt": 2,
      "load": 3242.2650000000003
    },
    "link": {
      "cnt": 2,
      "load": 4264.080000000001
    },
    "img": {
      "cnt": 3,
      "load": 6516.655000000002
    },
    "script": {
      "cnt": 2,
      "load": 5080.160000000001
    },
    "xmlhttprequest": {
      "cnt": 1,
      "load": 334.03999999999996
    }
  }
}

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