<div class=“category-archive”>

{% assign categories = site.categories | sort %}
<ul>
{% for category in categories %}
    <li>
        <a href="/category/{{ category | first | slugify }}.html">
            {{ category[0] | replace: '-', ' ' }}
        </a>({{ category | last | size }})
    </li>
{% endfor %}
</ul>

</div>