{% if page.title %}
{% assign title = page.title | append: " — " | append: site.title %}
{% else %}
{% assign title = site.title | append: " — " | append: site.subtitle %}
{% endif %}
{{ title }}
{% assign description = page.excerpt | default: site.description | strip_html | normalize_whitespace | truncate: 160 | escape %}
{% assign image = page.image | default: '/apple-touch-icon.jpg' | absolute_url %}
{% if page.url == "/404.html" %}
{% endif %}