frappe/webnotes/templates/includes/blog_footer.html

<div class="container content">
	<hr />
	{% if categories %}
	<h5>Explore posts by categories</h5>
	<ul class="breadcrumb" style="background-color: transparent; padding-left: 20px;">
	{% for category in webnotes.conn.sql_list("select name from `tabBlog Category` order by name") %}
		<li><a href="blog?category={{ category }}">{{ category }}</a> 
	{% endfor %}
	</ul>
	<br><br>
	{% endif %}
	<p>Show posts by <a href="blog">everyone</a>. Meet the <a href="writers">writers</a> of this blog</p>
</div>