diff --git a/src/index.html b/src/index.html
index 34b48a5..b61e5e8 100644
--- a/src/index.html
+++ b/src/index.html
@@ -36,8 +36,32 @@
       })();
     </script>
     <!-- End Matomo Code -->
+    <!-- Google 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-M9PR3MVC");
+    </script>
+    <!-- End Google Tag Manager -->
   </head>
   <body>
+    <!-- Google Tag Manager (noscript) -->
+    <noscript
+      ><iframe
+        src="https://www.googletagmanager.com/ns.html?id=GTM-M9PR3MVC"
+        height="0"
+        width="0"
+        style="display: none; visibility: hidden"
+      ></iframe
+    ></noscript>
+    <!-- End Google Tag Manager (noscript) -->
     <div id="app"></div>
   </body>
 </html>
