diff --git a/index.html b/index.html
index 5c6afce..1ecd751 100644
--- a/index.html
+++ b/index.html
@@ -21,8 +21,19 @@
     <meta property="og:url" content="http://conceptbe.kr/" />
     <meta property="og:type" content="website" />
     <meta property="og:site_name" content="컨셉비" />
-  </head>
 
+    <!-- Google tag (gtag.js) -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=G-3H9RPDNF0S"></script>
+    <script>
+      window.dataLayer = window.dataLayer || [];
+      function gtag() {
+        dataLayer.push(arguments);
+      }
+      gtag('js', new Date());
+
+      gtag('config', 'G-3H9RPDNF0S');
+    </script>
+  </head>
   <body>
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
