Anche a me si carica al terzo tentativo, ma non capisco il senso di questo codice che hai usato.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="it">

<head>


<title>ACfans</title>


<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
<meta http-equiv="Content-Language" content="it"/>
<meta name="author" content="Andrea Nifosì - Alias: andryonline"/>
<meta name="language" content="italian"/>

<link rel="index" href="http://acfans.altervista.org/index.php" title="homepage"/>


<link href="css/screen.css" type="text/css" rel="stylesheet" media="all"/>
<link href="css/print.css" type="text/css" rel="stylesheet" media="print"/>


<script type="text/javascript" language="JavaScript" src="javascript/js.js"></script>

</head>

Voglio dire dato che usi PHP non puoi utilizzare un include? del tipo:
codice:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="it">
<html>
<head>
<title>ACfans</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta http-equiv="Content-Language" content="it"/>
<meta name="author" content="Andrea Nifosì - Alias: andryonline"/>
<meta name="language" content="italian"/>

<link href="css/screen.css" type="text/css" rel="stylesheet" media="all"/>  
<link href="css/print.css" type="text/css" rel="stylesheet" media="print"/>    

<script type="text/javascript" language="JavaScript" src="javascript/js.js"></script>
</head>

<body>
<? include("http://acfans.altervista.org/index.php");?>
</body>
</html>