Springboard+ | TU Dublin

Study | TU Dublin

Library | TU Dublin

Page Not Found | TU Dublin

News | TU Dublin

Open Days | TU Dublin

Data Protection | TU Dublin

Baile

Postgraduate | TU Dublin

Jobs | TU Dublin

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

Technological University Dublin

Title / URL	Issues
Springboard+ \| TU Dublinwww.tudublin.ie/study/springboard/	6
Study \| TU Dublinwww.tudublin.ie/study/	6
Library \| TU Dublinwww.tudublin.ie/library/	4
Page Not Found \| TU Dublinwww.tudublin.ie/invented-url-for-404-page	4
News \| TU Dublinwww.tudublin.ie/explore/news/	4
Open Days \| TU Dublinwww.tudublin.ie/opendays/	4
Data Protection \| TU Dublinwww.tudublin.ie/explore/gdpr/	4
Bailewww.tudublin.ie/ga/	4
Postgraduate \| TU Dublinwww.tudublin.ie/study/postgraduate/	4
Jobs \| TU Dublinwww.tudublin.ie/explore/jobs/	4

Fix missing ARIA label IDs

Technological University Dublin

Where this issue has occurred