The Back Story
To sort tags in alphabetical order, use
{% for tag in tag_cloud|sort) %}
<button type="button" class="btn btn-primary btn-xs">
<a class="tag-{{ tag.1 }}" href="{{ SITEURL }}/{{ tag.0.url }}">
{{ tag.0 }}
</a>
</button>
{% if not loop.last %}
{% endif %}
{% endfor %}
{% for tag in tag_cloud|sort) %} {% if not loop.last %} {% endif %}
To sort by number of articles in tag
{% for tag in tag_cloud|sort(attribute='1') %}
<button type="button" class="btn btn-primary btn-xs">
<a class="tag-{{ tag.1 }}" href="{{ SITEURL }}/{{ tag.0.url }}">
{{ tag.0 }}
</a>
</button>
{% if not loop.last %}
{% endif %}
{% endfor %}
{% for tag in tag_cloud|sort(attribute='1') %} {% if not loop.last %} {% endif %}