PhantomJS page load timer

phantom-load.js

// @jbuchbinder
//
// Execute with:
//   phantomjs --ssl-protocol=TLSv1 phantom-load.js URL

"use strict";
var page = require('webpage').create(),
    system = require('system'),
    address;

if (system.args.length === 1) {
    console.log('Usage: phantomjs-load.js <some URL>');
    phantom.exit(1);
} else {
    address = system.args[1];

    page.onResourceRequested = function (req) {
        //console.log('requested: ' + JSON.stringify(req, undefined, 4));
    };

    page.onResourceReceived = function (res) {
        //console.log('received: ' + JSON.stringify(res, undefined, 4));
    };

    page.onError = function(msg, trace) {
        // Hide errors
    };

    var perf_start = new Date().getTime();

    page.open(address, function (status) {
        if (status !== 'success') {
            //console.log('FAIL to load the address, status == ' + status);
            phantom.exit(1);
        }
	var perf_time = new Date().getTime() - perf_start;
	console.log(perf_time);
        phantom.exit(0);
    });
}