website/_includes/plugins/twitter_follow.html

<div class="pluginBlock">
  <a href="https://twitter.com/{{ include.button_href }}" class="twitter-follow-button pluginBlock" data-show-count="false">Follow @{{ include.button_href }}</a>
</div>

<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>