var startTime=new Date();

function currentTime(){
  var a=Math.floor((new Date()-startTime)/100)/10;
  if (a%1==0) a+=".0";
  document.getElementById("endTime").innerHTML=a;
}

window.onload=function(){
  clearTimeout(loopTime);
}

  document.write('<a href=\"http://www.freeipchecker.com\">This page took <span id="endTime">0.0</span> seconds to load.</a>');
  var loopTime=setInterval("currentTime()",100);