Odoo-Build/snippets/mint_system.web.external_layout_standard.replace_url.xml

<!-- Replace website url in document footer -->
<data priority="50">
    <!-- Works until Odoo 14.0 -->
    <xpath expr="//li[@t-if='company.website']" position="replace">
        <li t-if="company.website" class="list-inline-item d-inline">www.example.ch</li>
    </xpath>
</data>