diff --git a/.metalsmith/templates/head.toffee b/.metalsmith/templates/head.toffee
index 9c4445140..1c2b3c502 100644
--- a/.metalsmith/templates/head.toffee
+++ b/.metalsmith/templates/head.toffee
@@ -1,9 +1,9 @@
 <!DOCTYPE html>
 <html
-  xmlns="http://www.w3.org/1999/xhtml"
-  xmlns:og="http://ogp.me/ns#"
-  xmlns:fb="https://www.facebook.com/2008/fbml"
-  itemscope itemtype="http://schema.org/WebPage"
+  xmlns="//www.w3.org/1999/xhtml"
+  xmlns:og="//ogp.me/ns#"
+  xmlns:fb="//www.facebook.com/2008/fbml"
+  itemscope itemtype="//schema.org/WebPage"
 >
    <head>
     {#
@@ -57,9 +57,9 @@
     <link rel="shortcut icon" href="/img/favicon.ico" type="image/x-icon">
 
     <!-- CDN CSS -->
-    <!-- <link href="http://fonts.googleapis.com/css?family=Open+Sans:300,600,700" rel="stylesheet" type="text/css"> -->
-    <link href="http://fonts.googleapis.com/css?family=Ubuntu:700,300" rel="stylesheet" type="text/css">
-    <link href="http://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.3.0/css/font-awesome.min.css" rel="stylesheet">
+    <!-- <link href="//fonts.googleapis.com/css?family=Open+Sans:300,600,700" rel="stylesheet" type="text/css"> -->
+    <link href="//fonts.googleapis.com/css?family=Ubuntu:700,300" rel="stylesheet" type="text/css">
+    <link href="//cdnjs.cloudflare.com/ajax/libs/font-awesome/4.3.0/css/font-awesome.min.css" rel="stylesheet">
     <link href="//cdnjs.cloudflare.com/ajax/libs/fancybox/2.1.5/jquery.fancybox.min.css" rel="stylesheet">
 
     <!-- Vendor CSS -->
