diff --git a/_includes/head.html b/_includes/head.html
index 918d7c2..defcac7 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -30,5 +30,6 @@
     <link href='https://fonts.googleapis.com/css?family=Bitter' rel='stylesheet' type='text/css'>
 	{% include analytics.html %}
     <meta name="google-site-verification" content="yxZDsO9N9GjO2Bf5VnB6WlCJyg4-TH6NDIDQgxLv1f4" />
+    <script src="/js/widynamic.js" defer></script>
 
 </head>
diff --git a/js/widynamic.js b/js/widynamic.js
new file mode 100644
index 0000000..e69de29