Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center.
In the base theme region--branding.tpl.php the site name is marked up as H1 and the site slogan H6.
Best practice for accessibility is to reserve H1 for the start of main content, not to jump heading levels and not to mark up text as headings for stylistic reasons.
Could they both be changed to DIVs?