diff --git a/BlazorExpress.ChartJS.Demo.WebAssembly/wwwroot/index.html b/BlazorExpress.ChartJS.Demo.WebAssembly/wwwroot/index.html
index 5fd5761..feea0d8 100644
--- a/BlazorExpress.ChartJS.Demo.WebAssembly/wwwroot/index.html
+++ b/BlazorExpress.ChartJS.Demo.WebAssembly/wwwroot/index.html
@@ -14,6 +14,16 @@
     <link href="_content/Blazor.Bootstrap/blazor.bootstrap.css" rel="stylesheet" />
     <link href="_content/BlazorExpress.ChartJS.Demo.RCL/css/blazorexpress.chartjs.demo.rcl.css" rel="stylesheet" asp-append-version="true" />
     <link href="BlazorExpress.ChartJS.Demo.WebAssembly.styles.css" rel="stylesheet" />
+
+    <!-- Google tag (gtag.js) -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=G-4ZMNPVR9K1"></script>
+    <script>
+        window.dataLayer = window.dataLayer || [];
+        function gtag() { dataLayer.push(arguments); }
+        gtag('js', new Date());
+
+        gtag('config', 'G-4ZMNPVR9K1');
+    </script>
 </head>
 
 <body>
