I am no sure, but I think there is a missing http: in t3 blank in head.php

<!-- Le HTML5 shim, for IE6-8 support of HTML5 elements -->
<!--[if lt IE 9]>
<script src="//http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->


Here is the link

line 37