<title>
  {{ page_title }}
  {%- if current_tags %}
    &ndash; tagged "{{ current_tags | join: ', ' }}"
  {%- endif -%}
  {%- if current_page != 1 %}
    &ndash; Page {{ current_page -}}
  {%- endif -%}
  {%- unless page_title contains shop.name %}
    &ndash; {{ shop.name -}}
  {%- endunless -%}
</title>
