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Assistance Dogs UK

The Dog Blog

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 2025

April 2025

Hearing Dogs for Deaf People

Title / URL	Issues
Media enquireswww.hearingdogs.org.uk/press/	3
Sponsor a hearing dog puppy - change a deaf person's lifewww.hearingdogs.org.uk/sponsor-a-puppy/	3
FAQswww.hearingdogs.org.uk/faqs/	3
Subscribe to our newsletterwww.hearingdogs.org.uk/subscribe/enews/	3
Our serviceswww.hearingdogs.org.uk/helpingyou/	3
Error404www.hearingdogs.org.uk/invented-url-for-404-page	3
Apply for a hearing dogwww.hearingdogs.org.uk/apply/	3
Disclaimerwww.hearingdogs.org.uk/terms/disclaimer/	3
Assistance Dogs UKwww.hearingdogs.org.uk/about/aduk/	3
The Dog Blogwww.hearingdogs.org.uk/blog/?categoryId=5	3

Fix missing ARIA label IDs

Hearing Dogs for Deaf People

Where this issue has occurred