` element. Screen reader users rely on landmarks to skip past navigation and jump directly to primary content. Missing it makes your page significantly harder to use with assistive technology. ## TL;DR - **What:** The page has no `

` element (or multiple, which also fails). - **Why it matters:** Screen readers use landmarks for keyboard-free navigation. - **Fix:** Wrap your page's primary content in `

`, exactly once per page. ## What the audit checks Lighthouse confirms the rendered DOM contains exactly one `

` element (or an element with `role="main"`). Pages missing it score 0 on this audit. ## Why it matters Screen reader users (and keyboard users via the rotor or "skip links") navigate web pages by landmarks: `

`, `