{% feed_meta %} {% seo %} {% if site.twitter_username %}{% include head/twitter.html %}{% endif %} {% include head/stylesheets.html %} {% if jekyll.environment == 'production' and site.google.analytics %} {% include head/google-analytics.html %} {% endif %} {% if jekyll.environment == 'production' and site.google.adsense %} {% include head/google-adsense.html %} {% endif %} {% if site.content.head-s %} {% include head-suffix.html %} {% endif %} {% if site.content.head-suffix %} {% include {{ site.content.head-suffix }} %} {% endif %}