Drop the http

_config.yml

@@ -2,7 +2,7 @@
 
 title:            Minimal Mistakes
 locale:           en_US
-url:              http://mmistakes.github.io/minimal-mistakes
+url:              //mmistakes.github.io/minimal-mistakes
 
 
 # Jekyll configuration

_includes/_footer.html

@@ -1,6 +1,6 @@
 <div class="google-ads">
   <!-- 320 x 50 ad -->
-  <script async src="http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
+  <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
   <ins class="adsbygoogle"
        style="display:inline-block;width:320px;height:50px"
        data-ad-client="{{ site.owner.google.ad-client }}"