wechatload.js

gistfile1.js

var page = require('webpage').create(),
    system = require('system'),
    t, address;

if (system.args.length === 1) {
  console.log('Usage: loadspeed.js <some URL>');
  phantom.exit();

}

t = Date.now();
address = system.args[1];

page.customHeaders = {
  "User-Agent": "MicroMessenger/6.2.3"
};
page.open(address, function(status) {
  if (status !== 'success') {
    console.log(status)
    console.log('FAIL to load the address');
  } else {
    t = Date.now() - t;
    console.log('Loading ' + system.args[1]);
    console.log('Loading time ' + t + ' msec');
  }
  phantom.exit();

});