Barrierefreiheit Certain ARIA roles must be contained by particular parents: Required ARIA parents role not present: menu, menubar, group Elements must only use allowed ARIA attributes: ARIA attribute is not allowed: aria-expanded="true" Elements must only use allowed ARIA attributes: ARIA attribute is not allowed: aria-selected="false" Elements must only use allowed ARIA attributes: ARIA attribute is not allowed: aria-selected="true" Elements must only use allowed ARIA attributes: aria-labelledby attribute cannot be used with role "null". Form elements must have labels: Element has no title attribute Element has no placeholder attribute Form elements must have labels: Element has no title attribute Element has no placeholder attribute Element's role is not presentational because it is focusable Images must have alternate text: Element has no title attribute Required ARIA attributes must be provided: Required ARIA attribute not present: aria-expanded Required ARIA attributes must be provided: Required ARIA attribute not present: aria-level Select element must have an accessible name: Element has no title attribute element must have a lang attribute: The element does not have a lang attribute