Do not load the matomo script if the is no URL specified

application/views/components/matomo_analytics_script.php

@@ -4,7 +4,9 @@
  */
 ?>
 
-<script>
+<?php if ( ! empty($matomo_analytics_url)): ?>
+
+    <script>
         var _paq = window._paq = window._paq || [];
         /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
         _paq.push(["setDocumentTitle", document.domain + "/" + document.title]);
@@ -19,6 +21,9 @@
             g.src = u + 'matomo.js';
             s.parentNode.insertBefore(g, s);
         })();
-</script>
-<noscript><p><img src="<?= $matomo_analytics_url ?>matomo.php?idsite=1&amp;rec=1" style="border:0;" alt=""/></p>
-</noscript>
+    </script>
+
+    <noscript><p><img src="<?= $matomo_analytics_url ?>matomo.php?idsite=1&amp;rec=1" style="border:0;" alt=""/></p>
+    </noscript>
+
+<?php endif ?>