Instal Disqus on Blogger

body.html

<script type='text/javascript'>
  var disqus_shortname = &#39;YOURSHORTNAME&#39;;
  var disqus_blogger_current_url = &#39;<data:blog.canonicalUrl/>&#39;;
  if (!disqus_blogger_current_url.length) {
    disqus_blogger_current_url = &#39;<data:blog.url/>&#39;;
  }
  var disqus_blogger_homepage_url = &#39;<data:blog.homepageUrl/>&#39;;
  var disqus_blogger_canonical_homepage_url = &#39;<data:blog.canonicalHomepageUrl/>&#39;;
</script>
<b:if cond='data:blog.pageType == &quot;item&quot;'>
  <style type='text/css'>
    #comments {display:none;}
  </style>
  <script type='text/javascript'>
    (function() {
    var bloggerjs = document.createElement(&#39;script&#39;);
    bloggerjs.type = &#39;text/javascript&#39;;
    bloggerjs.async = true;
    bloggerjs.src = &#39;//&#39;+disqus_shortname+&#39;.disqus.com/blogger_item.js&#39;;
    (document.getElementsByTagName(&#39;head&#39;)[0] || document.getElementsByTagName(&#39;body&#39;)[0]).appendChild(bloggerjs);
    })();
  </script>
</b:if>
<style type='text/css'>
  .post-comment-link { visibility: hidden; }
</style>
<script type='text/javascript'>
  (function() {
  var bloggerjs = document.createElement(&#39;script&#39;);
  bloggerjs.type = &#39;text/javascript&#39;;
  bloggerjs.async = true;
  bloggerjs.src = &#39;//&#39;+disqus_shortname+&#39;.disqus.com/blogger_index.js&#39;;
  (document.getElementsByTagName(&#39;head&#39;)[0] || document.getElementsByTagName(&#39;body&#39;)[0]).appendChild(bloggerjs);
  })();
</script>

<script async='true' id='dsq-count-scr' src='//YOURSHORTNAME.disqus.com/count.js'/>