diff --git a/index.html b/index.html
index 8c204aa..449cf23 100644
--- a/index.html
+++ b/index.html
@@ -2,6 +2,16 @@
 <html lang="en" class="no-js">
 
 <head>
+	<!-- Google tag (gtag.js) -->
+	<script async src="https://www.googletagmanager.com/gtag/js?id=G-21L6R47YFR"></script>
+	<script>
+  	window.dataLayer = window.dataLayer || [];
+  	function gtag(){dataLayer.push(arguments);}
+  	gtag('js', new Date());
+
+  	gtag('config', 'G-21L6R47YFR');
+	</script>
+
 	<meta charset="UTF-8" />
 	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
