diff --git a/index.html b/index.html
index c921649..fc7f69e 100644
--- a/index.html
+++ b/index.html
@@ -279,4 +279,15 @@ <h5 class="modal-title" id="modalYesNoLabel">Yes Or No?</h5>
   <script src="main.js"></script>
   <script src="search.js"></script>
   <script src="files.js"></script>
+
+
+  <!-- Google tag (gtag.js) -->
+  <script async src="https://www.googletagmanager.com/gtag/js?id=G-WMZN3SVWKD"></script>
+  <script>
+    window.dataLayer = window.dataLayer || [];
+    function gtag(){dataLayer.push(arguments);}
+    gtag('js', new Date());
+
+    gtag('config', 'G-WMZN3SVWKD');
+  </script>
 </body>