I have added the language selection to the navigation bar through an QWeb extension view. When I am logged in this is visible, but when I am not logged in, this addition is not visible.

The following view architecture exists:

<?xml version="1.0"?>

     <data inherit_id="website.user_navbar" name="Parttleg Nav bar">

           <xpath expr="//ul[@id='top_menu']" position="after">

                 <ul ...  </ul>

            </xpath>

      </data>

 What is mising? Thank you.