quitsocialmedia.club/_includes/backlinks.html

<div class="box" id="backlinks">
  <h2>Backlinks</h2>
  <p class="center">
    {% if page.lang == 'it' %}
      Le pagine del sito che contengono un link a questa pagina.<br />
      Curioso riguardo cosa voglia dire? Leggi <a href="https://www.wikiwand.com/it/Backlink" rel="noopener noreferrer" target="_blank">questo articolo</a>.
    {% else %}
      All the pages of this website containing a link to the current page.<br />Curious about what this means? Check <a href="https://www.wikiwand.com/en/Backlink" rel="noopener noreferrer" target="_blank">this article</a>.
    {% endif %}
  </p>
  <ul>

  {% comment %}+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  +                                                                      +
  +      100% Liquid backlinks parser based on pages permalinks.         +
  +                                                                      +
  ++++++++++++++++++++++++++++++++++++++++++++++++++++++++{% endcomment %}

    {% capture current_url %}{{ page.url }}{% endcapture %}
    {% capture current_url_downcase %}{{ page.url | downcase }}{% endcapture %}

    {% for entry in site.pages %}
     {% unless entry.url contains '.json' or entry.url contains '.csv' or entry.url contains '.css' or entry contains '.txt' %}
       {% if entry.content contains page.url or entry.content contains current_url_downcase %}
          <li>
            <a href="{{ entry.url }}">{{ entry.title }}</a>
            {% if entry.description %}
              - {{ entry.description }}
            {% else %}
              - {{ entry.excerpt | strip_html | truncatewords: 30 }}
            {% endif %}
          </li>
        {% endif %}
        {% for redirect in page.redirect_from | split '/' %}
          {% capture redirect_ %}/{{ redirect }}{% endcapture %}
          {% if entry.content contains redirect_ %}
            <li>
              <a href="{{ entry.url }}">{{ entry.title }}</a>
              {% if entry.description %}
                - {{ entry.description }}
              {% else %}
                - {{ entry.excerpt | strip_html | truncatewords: 30 }}
              {% endif %}
            </li>
          {% endif %}
        {% endfor %}
      {% endunless %}
    {% endfor %}

    {% for collection in site.collections %}
      {% assign collection_name = collection.label %}
      {% for entry in site.[collection_name] %}

        {% if entry.content contains page.url or entry.content contains current_url_downcase %}
          {% case collection_name %}
            {% when 'jar' %}
            <li>🍯 <a href="{{ entry.url }}">{{ entry.title }}</a> - {% if entry.description %}{{ entry.description }}{% else %}{{ entry.excerpt | strip_html | truncatewords: 30 }}{% endif %}</li>
            {% when 'sconnesso' %}
              <li>🎙️  <a href="{{ entry.url }}">{{ entry.title }}</a></li>
            {% when 'posts' %}
              <li>📖 <a href="{{ entry.url }}">{{ entry.title }}</a></li>
            {% when 'filinge' %}
              <li>💭 <a href="{{ entry.url }}">{{ entry.title }}</a></li>
            {% else %}
              <li><a href="{{ entry.url }}">{{ entry.title }}</a> - {{ entry.excerpt | strip_html | truncatewords: 30 }}</li>
          {% endcase %}
        {% endif %}

        {% for redirect in page.redirect_from | split '/' %}
          {% capture redirect_ %}/{{ redirect }}{% endcapture %}
          {% if entry.content contains redirect_ %}
            {% case collection_name %}
              {% when 'jar' %}
                <li>🍯 <a href="{{ entry.url }}">{{ entry.title }}</a> - {% if entry.description %}{{ entry.description }}{% else %}{{ entry.excerpt | strip_html | truncatewords: 30 }}{% endif %}</li>
              {% when 'sconnesso' %}
                <li>🎙️  <a href="{{ entry.url }}">{{ entry.title }}</a></li>
              {% when 'posts' %}
                <li>📖 <a href="{{ entry.url }}">{{ entry.title }}</a></li>
              {% when 'filinge' %}
                <li>💭 <a href="{{ entry.url }}">{{ entry.title }}</a></li>
              {% else %}
                <li><a href="{{ entry.url }}">{{ entry.title }}</a> - {{ entry.description }}</li>
            {% endcase %}
          {% endif %}
        {% endfor %}

      {% endfor %}
    {% endfor %}
  </ul>
</div>