Сайт крашится после 20 минут работы

var ws;  
var ws_url;
function ws_connect()
{
   if ("WebSocket" in window)
   {
      //ws_url = get_appropriate_ws_url()
      //ws_url = "ws://localhost:8080";
      //ws_url = "ws://192.168.1.1:8080";
      ws_url = "ws://127.0.1:8080";
      
      ws = new WebSocket(ws_url, "test1-protocol");
 
      ws.onopen = function(event)
      {
         //log.innerHTML+=  "<div class='green'>websocket connected</div>";
     //connect.style.display = 'none';
     //tools.style.display = 'block';
         //document.getElementById("wsserver").innerHTML = 'Fred Flinstone';
      };
 
      ws.onerror = function(event)
      {
         //log.innerHTML+=  "<div class='red'>error on websocket!</div>";
         ServerError(event);
      };
 
      ws.onmessage = function(event)
      {
         //log.innerHTML =  "<div>message: <span class='data'>"+event.data+"</span></div>";
         ServerHandler(event.data);
      };
 
      ws.onclose = function(event)
      {
         //log.innerHTML+=  "<div class='red'>websocket closed</div>";
     //connect.style.display = 'block';
     //tools.style.display = 'none';
      };
   }
   else
   {
      // the browser doesn't support WebSocket
      alert("WebSocket NOT supported here!\r\n\r\nBrowser: " + navigator.appName + " " + navigator.appVersion);
   }
 
   return false;
}
 
var isConnected = false;
function ServerConnect()
{
    if(!isConnected)
    {
        ws_connect();
        isConnected = true;
    }
}
 
function ServerError()
{
    isConnected = false;
    console.log('Error with connection to the server, we will try again in 5 seconds.');
    setTimeout(ServerConnect, 5000);
}
 
function ServerHandler(data)
{
    e_meter( data/100 );
}