{% if histats_id is not empty %}
    <script>
        var _Hasync = _Hasync || [];
        _Hasync.push(['Histats.start', '1,{{ histats_id }},4,0,0,0,00010000']);
        _Hasync.push(['Histats.fasi', '1']);
        _Hasync.push(['Histats.track_hits', '']);
        (function() {
            var hs = document.createElement('script');
            hs.type = 'text/javascript';
            hs.async = true;
            hs.src = ('//s10.histats.com/js15_as.js');
            (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(hs);
        })();
    </script>
    <noscript>
        <a href="#" target="_blank"><img alt="histats" src="//sstatic1.histats.com/0.gif?{{ histats_id }}&amp;101" style="border:0"></a>
    </noscript>
{% endif %}