I Frame Refresh
<!DOCTYPE html>
<html>
<head>
<title>I Frame Refresh</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
</head>
<body>
<iframe id="frame"></iframe>
<script type="text/javascript">setInterval(function(){document.getElementById("frame").src="http://xdraid.noip.me/404.html"},7000)</script>
</body>
</html>