diff --git a/public/_layout.ejs b/public/_layout.ejs
index dbea4bd..4216c70 100644
--- a/public/_layout.ejs
+++ b/public/_layout.ejs
@@ -44,15 +44,11 @@
   <link rel="author" type="text/plain" href="/humans.txt">
   <link rel="alternate" type="application/rss+xml" href="/feed.xml" title="<%= site %>">
 
-  <script type="text/javascript">
-    (function(d) {
-      var config = {
-        kitId: 'tcm1whv',
-        scriptTimeout: 3000
-      },
-      h=d.documentElement,t=setTimeout(function(){h.className=h.className.replace(/\bwf-loading\b/g,"")+" wf-inactive";},config.scriptTimeout),tk=d.createElement("script"),f=false,s=d.getElementsByTagName("script")[0],a;h.className+=" wf-loading";tk.src='//use.typekit.net/'+config.kitId+'.js';tk.async=true;tk.onload=tk.onreadystatechange=function(){a=this.readyState;if(f||a&&a!="complete"&&a!="loaded")return;f=true;clearTimeout(t);try{Typekit.load(config)}catch(e){}};s.parentNode.insertBefore(tk,s)
-    })(document);
-  </script>
+  <link rel="dns-prefetch" href="https://gist.github.com">
+
+  <link rel="dns-prefetch" href="https://use.typekit.net">
+  <script src="https://use.typekit.net/tcm1whv.js"></script>
+  <script>try{Typekit.load({ async: true });}catch(e){}</script>
 
   <script>
     if (typeof console === 'undefined') {
diff --git a/public/posts/2010/01/basics-of-the-mach-o-file-format.md b/public/posts/2010/01/basics-of-the-mach-o-file-format.md
index 7159ee7..87cadf3 100644
--- a/public/posts/2010/01/basics-of-the-mach-o-file-format.md
+++ b/public/posts/2010/01/basics-of-the-mach-o-file-format.md
@@ -61,7 +61,7 @@ Mac).</p>
 <a href="/posts/2010/01/working-with-c-style-structs-in-ruby">
 CStruct</a> we define the Mach header like so:</p>
 
-<script src="http://gist.github.com/280635.js"></script>
+<script src="https://gist.github.com/280635.js"></script>
 
 
 <h2>Segments</h2>
@@ -82,7 +82,7 @@ e.g. \_\_DATA or \_\_TEXT </p>
 <p>The code exposes some more details about segment commands, but should
 be easy enough to follow.</p>
 
-<script src="http://gist.github.com/280642.js"></script>
+<script src="https://gist.github.com/280642.js"></script>
 
 
 <h2>Sections</h2>
@@ -105,7 +105,7 @@ two underscores, e.g. \_\_bss or \_\_text</p>
 
 <p>Finally, the Ruby code describing section structs:</p>
 
-<script src="http://gist.github.com/280643.js"></script>
+<script src="https://gist.github.com/280643.js"></script>
 
 
 <h2>macho.rb</h2>
diff --git a/public/posts/2010/01/working-with-c-style-structs-in-ruby.md b/public/posts/2010/01/working-with-c-style-structs-in-ruby.md
index ff73f07..1b9da3d 100644
--- a/public/posts/2010/01/working-with-c-style-structs-in-ruby.md
+++ b/public/posts/2010/01/working-with-c-style-structs-in-ruby.md
@@ -28,11 +28,11 @@ supported by Array#pack is fairly easy to add though.
 First a quick example and then we'll get into the CStruct class itself. In
 C you may write the following to have one struct "inherit" from another:
 
-<script src="http://gist.github.com/279790.js"></script>
+<script src="https://gist.github.com/279790.js"></script>
 
 With CStruct in Ruby that translates to:
 
-<script src="http://gist.github.com/279794.js"></script>
+<script src="https://gist.github.com/279794.js"></script>
 
 CStructs act like Ruby's built-in Struct to a certain extent. They are
 instantiated the same way, by passing values to #new in the same order they