diff --git a/index.html b/index.html
index c4fda75..8ba2ac2 100644
--- a/index.html
+++ b/index.html
@@ -11,15 +11,11 @@
 	<link rel="apple-touch-icon" sizes="400x400" href="images/official_fankit/icon_B.png">
 	<script src="script.js"></script>
 
-	<!-- Google tag (gtag.js) -->
-	<script async src="https://www.googletagmanager.com/gtag/js?id=G-W3CP2WQFP2"></script>
-	<script>
-		window.dataLayer = window.dataLayer || [];
-		function gtag() { dataLayer.push(arguments); }
-		gtag('js', new Date());
-
-		gtag('config', 'G-W3CP2WQFP2');
+	<!-- User Heat Tag -->
+	<script type="text/javascript">
+		(function (add, cla) { window['UserHeatTag'] = cla; window[cla] = window[cla] || function () { (window[cla].q = window[cla].q || []).push(arguments) }, window[cla].l = 1 * new Date(); var ul = document.createElement('script'); var tag = document.getElementsByTagName('script')[0]; ul.async = 1; ul.src = add; tag.parentNode.insertBefore(ul, tag); })('//uh.nakanohito.jp/uhj2/uh.js', '_uhtracker'); _uhtracker({ id: 'uhZRyt2T6V' });
 	</script>
+	<!-- End User Heat Tag -->
 </head>
 
 <body>
