Many themes (including bundled themes) use previous/next navigation in single post and pagination links in the posts/comments archives. The markup output is under the responsibility of core private function _navigation_markup, which prints out an unlabelled <nav> element: <nav class=”navigation post-navigation” role=”navigation”> This <nav> element defines an ARIA landmark by default: landmarks help assistive technology users … Continue reading Use aria-label to ensure Posts and Comments navigation has proper context in WordPress 5.3