web/_includes/analytics/matomo.html

<!-- Matomo -->
<script>
  document.addEventListener('DOMContentLoaded', () => {
    var _paq = (window._paq = window._paq || []);
    _paq.push(['trackPageView']);
    _paq.push(['enableLinkTracking']);
    var u="//{{ site.analytics.matomo.domain }}/";
    _paq.push(['setTrackerUrl', u+'matomo.php']);
    _paq.push(['setSiteId', {{ site.analytics.matomo.id }}]);
    var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
    g.type='text/javascript'; g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
  });
</script>