wiki.mbirth.de/_includes/comments.html

<ul id="comments-tabs">
    <li class="current" data-div="comments_disqus">Disqus</li>
    <li data-div="comments_google">Google+</li>
</ul>

<div id="comments_disqus" class="comments-tab current">
    <div id="disqus_thread"></div>
    <script type="text/javascript">
        /* * * CONFIGURATION VARIABLES * * */
        var disqus_shortname = 'mb-wiki';
        var disqus_identifier = '{% if page.id %}{{ page.id }}{% else %}/index{% endif %}';
        var disqus_title = '{{ page.title }}';
        var disqus_url = '{{ site.url }}{{ page.url }}';

        /* * * DON'T EDIT BELOW THIS LINE * * */
        (function() {
            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);
        })();
    </script>
    <noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript" rel="nofollow">comments powered by Disqus.</a></noscript>
</div>

<div id="comments_google" class="comments-tab">
    <script src="//apis.google.com/js/plusone.js" type="text/javascript"></script>
    <div class="g-comments" data-href="{{ site.url }}{{ page.url }}" data-width="868" data-first_party_property="BLOGGER" data-view_type="FILTERED_POSTMOD">Loading Google+ comments…</div>
</div>