title: Preloader wont ignore websocket - pace js
body: <p>I added preloader to my website which runs with ruby on rails, it seems it works perfectly, but because of pusher websockets, preloader does not end, it waits all the time, i tried this at my footer,</p>
  
  <pre><code>&lt;script&gt;
  window.paceOptions = {
      ajax: {
        trackWebSockets: false,
        ignoreURLs: [/pusher/, /heap/]
      }
    }
  &lt;/script&gt;
  </code></pre>
  
  <p>but it did not work. how can I solve this problem?</p>