diff --git a/index.html b/index.html
index 562ad4a..180a1ba 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,15 @@
     <link rel="stylesheet" href="style.css">
     <meta http-equiv="content-type" content="text/html; charset=utf-8">
     <title>Chen Yang</title>
+    <!-- Global site tag (gtag.js) - Google Analytics -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-156685715-1"></script>
+    <script>
+        window.dataLayer = window.dataLayer || [];
+        function gtag(){dataLayer.push(arguments);}
+        gtag('js', new Date());
+
+        gtag('config', 'UA-156685715-1');
+    </script>
   </head>
 <body bgcolor="#FFFFFF">
 
