zulip/templates/zerver/realm_summary_table.html

<h2>{{ num_active_sites }} active sites</h2>

<table class="table sortable table-striped table-bordered">

    <thead class="activity_head">
    <tr>
        <th>Domain</th>
        <th>Active User Count</th>
    </tr>
    </thead>

    <tbody>
    {% for row in rows %}
        <tr>

            {# Domain #}
            <td>
                <a href="?realm={{ row.domain }}">
                    {{ row.domain }}
                </a>
            </td>

            {# Active User Count #}
            <td class="number">
                {{ row.active_user_count }}
            </td>

        </tr>
    {% endfor %}
    </tbody>

</table>