{% if site.google_analytics and jekyll.environment == 'production' %} {% include google_analytics.html %} {% endif %} {% unless page.canonical == false %}{% endunless %} {% capture page_title %} {% if page.title %}{{ page.title | append: ' | ' }}{% endif %} {{ site.title }} {% if site.subtitle %}{{ site.subtitle | prepend: ' - ' }}{% endif %} {% endcapture %} {% assign page_title = page_title | escape | normalize_whitespace %} {% assign page_description = page.description | default: site.description | default: 'description missing' | escape %}