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Certain ARIA roles must be contained by particular parents

Ensure elements with an ARIA role that require parent roles are contained by them

Certain ARIA roles must be contained by particular parents

Ensure elements with an ARIA role that require parent roles are contained by them

Certain ARIA roles must be contained by particular parents

Ensure elements with an ARIA role that require parent roles are contained by them

Images must have alternative text

Ensure <img> elements have alternative text or a role of none or presentation

All touch targets must be 24px large, or leave sufficient space

Ensure touch targets have sufficient size and space

Aside should not be contained in another landmark

Ensure the complementary landmark or aside is at top level

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

Users should be able to zoom and scale the text up to 500%

Ensure <meta name="viewport"> can scale a significant amount