rocksdb/docs/_includes/plugins/twitter_share.html

<div class="pluginWrapper twitterSharePlugin">
  <a href="https://twitter.com/share" class="twitter-share-button" data-hashtags="{{ site.title| replace: ' ', '' }}">Tweet</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>