Check the WCAG success criteria that your jurisdiction requires. One less obvious, and commonly required, criteria (WCAG 2.4.1[1]) is that the site has some mechanism by which a screen reader user can jump from the beginning of the document to the main content, without having to browse through the preceding navigational links and similar.

[1] https://www.w3.org/TR/UNDERSTANDING-WCAG20/navigation-mechan...