Adding Tweet Button to Posts

<script src="http://platform.twitter.com/widgets.js" type="text/javascript"></script>
   <a href="http://twitter.com/share" class="twitter-share-button"
      data-url="<?php the_permalink(); ?>"
      data-via="wpbeginner"
      data-text="<?php the_title(); ?>"
      data-related="syedbalkhi:Founder of WPBeginner"
      data-count="vertical">Tweet</a>

Added to both single.php and index1.php
http://www.wpbeginner.com/wp-tutorials/how-to-add-twitters-official-tweet-button-in-wordpress/

Tweet