diff --git a/src/index.html b/src/index.html
index 6a0d4f06..1e2b2888 100644
--- a/src/index.html
+++ b/src/index.html
@@ -26,26 +26,14 @@
         }
     </script>
 
-    <!-- Google Tag Manager -->
+    <!-- Matomo Tag Manager -->
     <script>
-        (function(w, d, s, l, i) {
-            w[l] = w[l] || [];
-            w[l].push({'gtm.start': new Date().getTime(), event: 'gtm.js'});
-            var f = d.getElementsByTagName(s)[0],
-                j = d.createElement(s),
-                dl = l != 'dataLayer' ? '&l='+l : '';
-            j.async = true;
-            j.src = 'https://www.googletagmanager.com/gtm.js?id=' + i + dl;
-            f.parentNode.insertBefore(j, f);
-        })(window, document, 'script', 'dataLayer', 'GTM-WQWSD3L');
+        var _mtm = window._mtm = window._mtm || [];
+        _mtm.push({ 'mtm.startTime': (new Date().getTime()), 'event': 'mtm.Start' });
+        var d = document, g = d.createElement('script'), s = d.getElementsByTagName('script')[0];
+        g.async = true; g.src = 'https://matomo.devexpress.com/js/container_foTT0fJ8.js'; g.setAttributeNode(d.createAttribute('data-ot-ignore')); s.parentNode.insertBefore(g, s);
     </script>
-    <!-- End Google Tag Manager -->
-
-    <!-- Google Tag Manager (noscript) -->
-    <noscript>
-        <iframe src="https://www.googletagmanager.com/ns.html?id=GTM-WQWSD3L" height="0" width="0" style="display:none;visibility:hidden"></iframe>
-    </noscript>
-    <!-- End Google Tag Manager (noscript) -->
+    <!-- End Matomo Tag Manager -->
 
     <style>
         body {