In settings.py:

Add names of ModelAdmins to be override:

SEO_FOR_MODELS = [
    '<app>.models.<Model>',
]

In template:

First of all, load the seo_tags in every template you want to use it:

{% load seo_tags %}

Use::

{% seo <title|keywords|description> [for <object>] %}

Or::

{% seo <title|keywords|description> [for <object>] as <variable> %} {{ <variable> }}

If you are using extend

templates/base.html:

<html>
    <head>
        <meta name="description" content="{% block description %}{% seo description %}{% endblock %}" />
        <meta name="keywords" content="{% block keywords %}{% seo keywords %}{% endblock %}" />
        <title>{% block title %}{% seo title %}{% endblock %}</title>
    </head>
    <body>
        {% block content %}{% endblock %}
    </body>
</html>

templates/object.html:

{% load seo_tags %}
{% block description %}{% seo description for object %}{% endblock %}
{% block keywords %}{% seo keywords for object %}{% endblock %}
{% block title %}{% seo title for object %}{% endblock %}

{% block content %}
    {{ object.content }}
{% endblock %}

templates/another.html:

{% load seo_tags %}
{% block description %}{% seo description for another %}{% endblock %}
{% block keywords %}{% seo keywords for another %}{% endblock %}
{% block title %}{% seo title for another %}{% endblock %}

{% block content %}
    {{ another.content }}
{% endblock %}

Redsolution CMS classifiers:

Content plugins