Add turbolinks

_config.yml

@@ -26,6 +26,8 @@ description: >- # this means to ignore newlines until "baseurl:"
 
 baseurl: "" # the subpath of your site, e.g. /blog
 url: "" # the base hostname & protocol for your site, e.g. http://example.com
+js_url: "/assets/js" # Path to JS files
+
 github_username: DS-100
 
 defaults:

_includes/head.html

@@ -57,4 +57,14 @@
     });
   </script>
   <script src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-AMS_CHTML' async></script>
+
+  <!-- Include Turbolinks to make page loads fast -->
+  <!-- https://github.com/turbolinks/turbolinks -->
+  <script src="{{ site.js_url }}/turbolinks.js"></script>
+  <script>
+    // Run MathJax when Turbolinks navigates to a page
+    document.addEventListener("turbolinks:load", function() {
+      MathJax.Hub.Queue(["Typeset", MathJax.Hub]);
+    })
+  </script>
 </head>