{% if site.piwik.url %}
<div class="piwik">
  <script>
    var _paq = (window._paq = window._paq || []);
    /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
    _paq.push(["trackPageView"]);
    _paq.push(["enableLinkTracking"]);
    (function () {
      var u = "{{ site.piwik.prefix }}://{{ site.piwik.url }}/";
      _paq.push(["setTrackerUrl", u + "matomo.php"]);
      _paq.push(["setSiteId", "{{ site.piwik.site_id }}"]);
      var d = document,
        g = d.createElement("script"),
        s = d.getElementsByTagName("script")[0];
      g.async = true;
      g.src = u + "matomo.js";
      s.parentNode.insertBefore(g, s);
    })();
  </script>
  <br />
  {% else %}
  <!-- pikik is disabled -->
</div>
{% endif %}