Home - Dementia UK

First time visit: View without clicking anything

What is dementia? - Dementia UK

Vascular dementia - Dementia UK

Alzheimer's disease - Dementia UK

Types of dementia - Dementia UK

Causes and risk factors of dementia - Dementia UK

The signs and symptoms of dementia - Dementia UK

Huntington's disease - Dementia UK

Frontotemporal dementia - Dementia UK

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

December 2025

November 2025

Dementia UK

Title / URL	Issues
Home - Dementia UKwww.dementiauk.org/	16
First time visit: View without clicking anythingwww.dementiauk.org/	16
What is dementia? - Dementia UKwww.dementiauk.org/information-and-support/about-dementia/what-is-dementia/	9
Vascular dementia - Dementia UKwww.dementiauk.org/information-and-support/types-of-dementia/vascular-dementia/	6
Alzheimer's disease - Dementia UKwww.dementiauk.org/information-and-support/types-of-dementia/alzheimers-disease/	5
Types of dementia - Dementia UKwww.dementiauk.org/information-and-support/types-of-dementia/	5
Causes and risk factors of dementia - Dementia UKwww.dementiauk.org/information-and-support/about-dementia/causes-and-risk-factors/	5
The signs and symptoms of dementia - Dementia UKwww.dementiauk.org/information-and-support/about-dementia/signs-and-symptoms-of-dementia/	4
Huntington's disease - Dementia UKwww.dementiauk.org/information-and-support/types-of-dementia/huntingtons-disease/	3
Frontotemporal dementia - Dementia UKwww.dementiauk.org/information-and-support/types-of-dementia/frontotemporal-dementia/	2

Fix missing ARIA label IDs

Dementia UK

Where this issue has occurred