comments.html

<section class="comments">
    <h3>Comments</h3>
    <div id="disqus_thread"></div>
</section>
<script type="text/javascript">
    var disqus_loaded = false;

    function load_disqus()
    {
        disqus_loaded = true;
        var disqus_shortname = '{{site.disqus_username}}';
        var disqus_title = '{{page.title.replace("'", "\\'")}}';
        var disqus_url = '{{page.url}}';
        var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
        dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
        (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
        var ldr = document.getElementById('disqus_loader');
    };
    window.onscroll = function(e) {
        if ((window.innerHeight + window.scrollY) >= (document.body.offsetHeight - 800)) {
            //hit bottom of page
            if (disqus_loaded==false)
                load_disqus()
        }
    };
</script>