docs/_includes/JB/matomo

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<!-- Matomo -->
<script>
  var _paq = window._paq = window._paq || [];
  _paq.push(["setDoNotTrack", true]);
  _paq.push(["disableCookies"]);
  _paq.push(["trackPageView"]);
  _paq.push(["enableLinkTracking"]);
  (function() {
    var u="https://analytics.apache.org/";
    _paq.push(["setTrackerUrl", u+"matomo.php"]);
    _paq.push(["setSiteId", "{{ site.JB.matomo_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>
<!-- End Matomo Code -->