Philippines | University of Westminster, London

Lesotho | University of Westminster, London

404 | University of Westminster, London

Albania | University of Westminster, London

Kazakhstan | University of Westminster, London

Namibia | University of Westminster, London

Laos | University of Westminster, London

Ethiopia | University of Westminster, London

Swaziland | University of Westminster, London

Singapore | University of Westminster, London

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

May 2024

April 2024

University of Westminster

Title / URL	Issues
Philippines \| University of Westminster, Londonwww.westminster.ac.uk/international/your-country/philippines	2
Lesotho \| University of Westminster, Londonwww.westminster.ac.uk/international/your-country/lesotho	2
404 \| University of Westminster, Londonwww.westminster.ac.uk/invented-url-for-404-page	2
Albania \| University of Westminster, Londonwww.westminster.ac.uk/international/your-country/albania	2
Kazakhstan \| University of Westminster, Londonwww.westminster.ac.uk/international/your-country/kazakhstan	2
Namibia \| University of Westminster, Londonwww.westminster.ac.uk/international/your-country/namibia	2
Laos \| University of Westminster, Londonwww.westminster.ac.uk/international/your-country/laos	2
Ethiopia \| University of Westminster, Londonwww.westminster.ac.uk/international/your-country/ethiopia	2
Swaziland \| University of Westminster, Londonwww.westminster.ac.uk/international/your-country/swaziland	2
Singapore \| University of Westminster, Londonwww.westminster.ac.uk/international/your-country/singapore	2

Fix missing ARIA label IDs

University of Westminster

Where this issue has occurred