load lato font after dom ready

client/main.js

@@ -4,6 +4,32 @@ $(document).ready(function() {
     challengeName :
     'Untitled';
 
+  // pre-cache fonts
+  var lightDef = $.ajax({
+    url: '/fonts/Lato-Light.ttf',
+    beforeSend: function(xhr) {
+      xhr.overrideMimeType('application/octet-stream');
+    }
+  });
+
+  var regularDef = $.ajax({
+    url: '/fonts/Lato-Regular.ttf',
+    beforeSend: function(xhr) {
+      xhr.overrideMimeType('application/octet-stream');
+    }
+  });
+
+  // now add link to css
+  $.when(lightDef, regularDef).then(function() {
+    $('<link />')
+      .attr({
+        type: 'text/css',
+        rel: 'stylesheet',
+        href: '/css/lato.css'
+      })
+      .appendTo('head');
+  });
+
   if (challengeName) {
     ga('send', 'event',  'Challenge', 'load', challengeName);
   }

server/views/partials/small-head.jade

@@ -1,6 +1,5 @@
 script(src="//ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js")
 script(src="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.4/js/bootstrap.min.js")
-link(rel='stylesheet' type='text/css' href='/css/lato.css')
 link(rel='stylesheet', href='/bower_components/font-awesome/css/font-awesome.min.css')
 link(rel='stylesheet', href=rev('/css', 'main.css'))
 link(rel='stylesheet', href='/css/Vimeo.css')

server/views/partials/stylesheets.jade

@@ -1,4 +1,3 @@
-link(rel="stylesheet" type="text/css" href="/css/lato.css")
 link(rel="stylesheet" type="text/css" href="/bower_components/cal-heatmap/cal-heatmap.css")
 link(rel='stylesheet', href='/bower_components/font-awesome/css/font-awesome.min.css')
 link(rel='stylesheet', href='/bower_components/lightbox2/dist/css/lightbox.css')