diff --git a/docs/index.html b/docs/index.html
index d0d3ca0..5ede8aa 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -4,6 +4,14 @@
     <title>Water.css</title>
     <link rel='stylesheet' href='https://cdn.jsdelivr.net/gh/kognise/water.css@master/water.min.css'>
     <meta name='viewport' content='width=device-width, initial-scale=1.0'>
+    <!-- Global site tag (gtag.js) - Google Analytics -->
+    <script async src='https://www.googletagmanager.com/gtag/js?id=UA-116663597-6'></script>
+    <script>
+      window.dataLayer = window.dataLayer || []
+      function gtag(){dataLayer.push(arguments)}
+      gtag('js', new Date())
+      gtag('config', 'UA-116663597-6')
+    </script>
   </head>
   <body>
     <h1>Water.css</h1>
@@ -50,4 +58,4 @@
       <input type='submit'>
     </form>
   </body>
-</html>
\ No newline at end of file
+</html>
