popov.link/_includes/disqus.html

<div class="comments">
  <div id="disqus_thread"></div>
  <script type="text/javascript" defer>
    var disqus_config = function () {
      this.page.identifier = '{{ page.id | strip_newlines | strip_html | strip | normalize_whitespace | slugify }}';
      this.page.title = '{{ page.title | strip_newlines | strip_html | strip | normalize_whitespace | smartify }}';
      this.page.url = '{{ page.url | absolute_url | uri_escape }}';
    };

    (function () {
      var d = document,
        s = d.createElement('script');
      s.src = '//valentineus-link.disqus.com/embed.js';
      s.setAttribute('data-timestamp', +new Date());
      (d.head || d.body).appendChild(s);
    })();
  </script>
</div>