<head>
    <meta charset="UTF-8">

    {% if page.title %}
    {% assign pageTitle = site.title | append: ': ' | append: page.title %}
    {% else %}
    {% assign pageTitle = site.title %}
    {% endif %}

    <title>{{ pageTitle }}</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="{{site.description}}">
    <meta name="keywords" content="{{site.keywords}}">

    <meta property="og:image" content="{{ 'img/poster.png' | relative_url }}" 