The header is nested inside another region
landmark-banner-is-top-level
The site header sits inside another area rather than at the top level of the page.
Who this affects
Screen reader users, whose region shortcuts do not find it where they expect.
Fix it in WordPress
Check the theme's header.php for a wrapper that has swallowed the header element.
What the fix is, technically
Move the header element so it is not inside main, article or a section.
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