Canvas | The University of Sunderland

Cost of living | The University of Sunderland

About | The University of Sunderland

Research news and events | The University of Sunderland

Performing Arts | The University of Sunderland

Support for estranged students | The University of Sunderland

Unlocking Criminology | The University of Sunderland

Error | The University of Sunderland

On campus | The University of Sunderland

James Fawcett | The University of Sunderland

When specifying accessible names via `aria-labelledby`, ensure that the 
label elements exist.

## Explanation

Accessible names are required for many parts of a page, including form controls.
One way to accomplish this is to use `aria-labelledby` to specify the ID or IDs of 
other elements which contain a label. For example:

```html
<h2 id="dialog-labell">Important message!</h2>
<dialog aria-labelledby="dialog-label">
```

In this example, the `aria-labelledby` for the `<dialog>` points to an ID of `dialog-label`,
which doesn't exist. The heading it refers to instead has an ID of `dialog-labell`, presumably 
a typo.

## Why this matters

It isn't usually clear when an accessible name is broken, even during user testing.

This check helps to identify where an element clearly intended to have a label, but
that label is missing.

When a label is broken, it may be impossible for a user of assistive technologies
to understand what that element does.

missing-aria-labelled-by

June 2024

May 2024

University of Sunderland

Title / URL	Issues
Canvas \| The University of Sunderlandwww.sunderland.ac.uk/accessibility/canvas/	4
Cost of living \| The University of Sunderlandwww.sunderland.ac.uk/events/cost-of-living/	4
About \| The University of Sunderlandwww.sunderland.ac.uk/about/	4
Research news and events \| The University of Sunderlandwww.sunderland.ac.uk/more/research/news-events/	4
Performing Arts \| The University of Sunderlandwww.sunderland.ac.uk/about/staff/performing-arts/	4
Support for estranged students \| The University of Sunderlandwww.sunderland.ac.uk/help/estranged-support/	4
Unlocking Criminology \| The University of Sunderlandwww.sunderland.ac.uk/events/unlocking-criminology/	4
Error \| The University of Sunderlandwww.sunderland.ac.uk/invented-url-for-404-page	4
On campus \| The University of Sunderlandwww.sunderland.ac.uk/student-experience/on-campus/	4
James Fawcett \| The University of Sunderlandwww.sunderland.ac.uk/more/celt/james-fawcett/	4

Fix missing ARIA label IDs

University of Sunderland

Where this issue has occurred