// TODO: Decide if we want seperate tracking server.
// XMLHttpRequest cannot load http://localhost:7000/userlog. Origin http://localhost:8000 is not allowed by Access-Control-Allow-Origin.
// If so, we need to resolve:
// * AJAX from different domain (XMLHttpRequest cannot load http://localhost:7000/userlog. Origin http://localhost:8000 is not allowed by Access-Control-Allow-Origin.)