gistfile1.js

$( function () {
  var ws = new WebSocket("ws://localhost:3001/sockjs/websocket");

  ws.onopen = function() {
    ws.send('{"msg":"connect","id":"1"}');
    ws.send('{"msg":"method","method":"pageHit","params":["'+window.location.href+'","'+document.referrer+'","'+document.title+'"],"id":"2"}');

    ws.close();
  }
}