Usage of url() in twig should be replaced by path(), to generate relative urls.
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3210667. -->
Reported by: [s.messaris](https://www.drupal.org/user/3471967)
>>>
<p>As for example in the core branding block, the frontpage url should be relative instead of absolute.</p>
issue