{% if site.twitter_follow_button or site.twitter_tweet_button %}
   <script type="text/javascript">
     (function(){
       var twitterWidgets = document.createElement('script');
       twitterWidgets.type = 'text/javascript';
       twitterWidgets.async = true;
       twitterWidgets.src = 'http://platform.twitter.com/widgets.js';
       document.getElementsByTagName('head')[0].appendChild(twitterWidgets);
     })();
   </script>
 {% endif %}