Время генерации страницы на Javascript

<script language="javascript" type="text/javascript">  
  var tmp = Math.round((Math.random() * (5174 - 2381)));  
  var tmp2 = Math.round((Math.random() * (25 - 6)));  
  var a=Math.round(Math.random()*2)  
  stats = new Array();  
  stats[0]="(8.23% JS / 91.77% HTML)"  
  stats[1]="(1.64% JS / 98.36% HTML)"  
  stats[2]="(5.11% JS / 94.89% HTML)"  
  stats[3]="(7.09% JS / 92.91% HTML)"  
  stats[4]="(8.55% JS / 91.45% HTML)"  
  stats[5]="(5.44% JS / 94.56% HTML)"  
  stats[6]="(1.23% JS / 98.77% HTML)"  
  stats[7]="(4.2% JS / 95.8% HTML)"  
  stats[8]="(4.13% JS / 95.87% HTML)"  
  stats[9]="(8.23% JS / 91.77% HTML)"  
  </script>  
  Сгенерировано за 0,00<script language="JavaScript">document.write(tmp);</script> секунд с <script language="JavaScript">document.write(tmp2);</script> запросами <script language="JavaScript">document.write (""+stats[a]+"");</script>