{% if GOOGLE_ANALYTICS %}
    <script type="text/javascript">
    var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
    document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
    </script>
    <script type="text/javascript">
    try {
        var pageTracker = _gat._getTracker("{{GOOGLE_ANALYTICS}}");
    pageTracker._trackPageview();
    } catch(err) {}</script>
{% endif %}
{% if GOOGLE_ANALYTICS %}
    <script type="text/javascript">
    var _gaq = _gaq || [];
    _gaq.push(['_setAccount', '{{GOOGLE_ANALYTICS}}']);
    _gaq.push(['_trackPageview']);
    (function() {
        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
    })();
    </script>
{% endif %}
Use async Google Analytics code.
Use async Google Analytics code.