diff --git a/TaxBaik.Web/Pages/_Layout.cshtml b/TaxBaik.Web/Pages/_Layout.cshtml
index d7f1961..866261c 100644
--- a/TaxBaik.Web/Pages/_Layout.cshtml
+++ b/TaxBaik.Web/Pages/_Layout.cshtml
@@ -56,6 +56,16 @@
       ]
     }
     </script>
+
+    <!-- Google tag (gtag.js) -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=G-25KRKY45D7"></script>
+    <script>
+      window.dataLayer = window.dataLayer || [];
+      function gtag(){dataLayer.push(arguments);}
+      gtag('js', new Date());
+
+      gtag('config', 'G-25KRKY45D7');
+    </script>
 </head>
 <body class="with-mobile-cta">
     <partial name="_Header" />
