diff --git a/src/web/main/index.html b/src/web/main/index.html
index 2a2859f..29d3bf4 100644
--- a/src/web/main/index.html
+++ b/src/web/main/index.html
@@ -5,28 +5,9 @@
 	<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
 	<meta charset="UTF-8">
 
-	<!-- Global site tag (gtag.js) - Google Analytics -->
-	<script async src="https://www.googletagmanager.com/gtag/js?id=UA-85912788-2"></script>
-	<script>
-		window.dataLayer = window.dataLayer || [];
-		function gtag(){dataLayer.push(arguments);}
-		gtag('js', new Date());
-
-		gtag('config', 'UA-85912788-2');
-	</script>
-
-	<!-- Google Tag Manager -->
-	<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
-	new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
-	j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
-	'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
-	})(window,document,'script','dataLayer','GTM-N8PB4F3');</script>
-	<!-- End Google Tag Manager -->
-
 	<title>초코마에 | 마우스, 타자 연습</title>
 	<meta name="description" CONTENT="쉽고 재미있는 타자 연습, 같은 반 친구들과 함께 즐겨보아요. 마우스 연습도 있어요. 방과후 수업 선생님들을 위한 컨텐츠도 마련했어요. | 초코마에 ‧ Mouse and Korean/English tyiping practice app | ChocoMae">
-<!-- 	<meta name="description" CONTENT="마우스, 한글/영문 타자 연습 앱 | 초코마에 ‧ Mouse and Korean/English tyiping practice app | ChocoMae">
- -->
+
 	<link rel="icon" href="/favicon.ico" type="image/x-icon" />
 	<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
 
@@ -46,19 +27,11 @@
 		});
 	</script>
 
-	<script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
-	<script>
-	(adsbygoogle = window.adsbygoogle || []).push({
-		google_ad_client: "ca-pub-1331753663238060",
-		enable_page_level_ads: true
-	});
-	</script>
-
 </head>
 
 
 
-<body bgcolor="white">
+<body style="background-color: white">
 
 	<div id="wrapper">
 
