UNFCCC

ARIA hidden element must not be focusable or contain focusable elements

Ensure aria-hidden elements are not focusable nor contain focusable elements

<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

Page should contain a level-one heading

Ensure that the page, or at least one of its frames contains a level-one heading

Alternative text of images should not be repeated as text

Ensure image alternative is not repeated as text

Alternative text of images should not be repeated as text

Ensure image alternative is not repeated as text