{%- assign words_per_minute = site.words_per_minute | default: 200 -%}
{%- assign min_read = site.data.text[site.locale].min_read | default: 'min read' -%}

{% if entry %}
  {% assign words = entry.content | strip_html | number_of_words %}
{% else %}
  {% assign words = page.content | strip_html | number_of_words %}
{% endif %}

<span class="read-time">
  {%- if words < words_per_minute -%}
    ~1 {{ min_read }}
  {%- else -%}
    {{ words | divided_by:words_per_minute }} {{ min_read }}
  {%- endif -%}
</span>