Open Standards | Low-Risk Alternative | Data Sovereignty | Zimbra

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

ARIA attributes must conform to valid names

Ensure attributes that begin with aria- are valid ARIA attributes

ARIA attributes must conform to valid values

Ensure all ARIA attributes have valid values

ARIA attributes must conform to valid values

Ensure all ARIA attributes have valid values

Images must have alternative text

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

Elements must meet minimum color contrast ratio thresholds

Ensure the contrast between foreground and background colors meets WCAG 2 AA minimum contrast ratio thresholds

<ul> and <ol> must only directly contain <li>, <script> or <template> elements

Ensure that lists are structured correctly

Landmarks should have a unique role or role/label/title (i.e. accessible name) combination

Ensure landmarks are unique

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks

All page content should be contained by landmarks

Ensure all page content is contained by landmarks