{% assign image_url = "favicon@4x.png" | relative_url %}
{% capture desc %}{% if page.about.seo.description %}{{ page.about.seo.description }}{% else %}{{ site.description }}{% endif %}{% endcapture %}
{% capture title %}{{ site.title_name }}{% unless page.about.title %}: {{ site.tagline }}{% endunless %}{% endcapture %}
{% if image_url %}
{% endif %}
{% if desc %}
{% endif %}