Dementia symptoms and diagnosis | Alzheimer's Society

Page not found | Alzheimer's Society

Types of dementia | Alzheimer's Society

Publications and factsheets | Alzheimer's Society

Dementia Support Forum - our online community | Alzheimer's Society

Eating and drinking | Alzheimer's Society

Dementia treatments | Alzheimer's Society

First time visit: View without clicking anything

Dementia Support Line | Alzheimer's Society

Help and support with dementia care | Alzheimer's Society

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

Alzheimers Society

Title / URL	Issues
Dementia symptoms and diagnosis \| Alzheimer's Societywww.alzheimers.org.uk/about-dementia/symptoms-and-diagnosis	3
Page not found \| Alzheimer's Societywww.alzheimers.org.uk/invented-url-for-404-page	3
Types of dementia \| Alzheimer's Societywww.alzheimers.org.uk/about-dementia/types-dementia	3
Publications and factsheets \| Alzheimer's Societywww.alzheimers.org.uk/get-support/publications-factsheets	3
Dementia Support Forum - our online community \| Alzheimer's Societywww.alzheimers.org.uk/get-support/dementia-support-forum	3
Eating and drinking \| Alzheimer's Societywww.alzheimers.org.uk/get-support/daily-living/eating-drinking	3
Dementia treatments \| Alzheimer's Societywww.alzheimers.org.uk/about-dementia/treatments	3
First time visit: View without clicking anythingwww.alzheimers.org.uk/	3
Dementia Support Line \| Alzheimer's Societywww.alzheimers.org.uk/get-support/dementia-support-line	3
Help and support with dementia care \| Alzheimer's Societywww.alzheimers.org.uk/get-support/help-dementia-care	3

Fix missing ARIA label IDs

Alzheimers Society

Where this issue has occurred