{% comment %}
This file contains all open graph protocol metadata that is contained in every
page.
{% endcomment %}
{% if page.title_image and page.title_image != 'default' %}
{% assign image_url = site.directory.images | append: 'jumbotrons/desktop/' | append: page.title_image | absolute_url %}
{% else %}
{% assign image_url = site.directory.images | append: 'HIFIS_Logo_short_RGB.png' | absolute_url %}
{% endif %}