answer to perfschool problem 1

perfschool-pagespeed

'use strict';

var fs = require('fs');
var path = require('path');
var express = require('express');
var psi = require('psi');
var app = express();
var port = process.env.PORT || 7777;

app.get('/', home);
app.get('/insights', insights);
app.listen(port, listening);

function listening () {
  console.log('Listening on port', port);
}

function home (req, res) {
  var file = path.join(__dirname, 'index.html');
  var index = fs.readFileSync(file, 'utf8');
  res.send(index);
}

function insights (req, res) {
  psi('https://cpwxfypefz.localtunnel.me', function(err, data) {
    var resources = {
      css: data.pageStats.numberCssResources,
      js: data.pageStats.numberJsResources,
      hosts: data.pageStats.numberHosts,
      total: data.pageStats.numberResources
    };
    res.send({ resources: resources });
  });
}