Devon | South West | England | National Trust

Wales | National Trust

Kent | South East | National Trust

Cornwall | South West | England | National Trust

Wiltshire | South West | England | National Trust

Hampshire | South East | National Trust

Yorkshire | England | National Trust | National Trust

London | South East | National Trust

Surrey | National Trust

Suffolk | East Anglia | National Trust

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

National Trust

Title / URL	Issues
Devon \| South West \| England \| National Trustwww.nationaltrust.org.uk/visit/devon	3
Wales \| National Trustwww.nationaltrust.org.uk/visit/wales	3
Kent \| South East \| National Trustwww.nationaltrust.org.uk/visit/kent	3
Cornwall \| South West \| England \| National Trustwww.nationaltrust.org.uk/visit/cornwall	3
Wiltshire \| South West \| England \| National Trustwww.nationaltrust.org.uk/visit/wiltshire	3
Hampshire \| South East \| National Trustwww.nationaltrust.org.uk/visit/hampshire	3
Yorkshire \| England \| National Trust \| National Trustwww.nationaltrust.org.uk/visit/yorkshire	3
London \| South East \| National Trustwww.nationaltrust.org.uk/visit/london	3
Surrey \| National Trustwww.nationaltrust.org.uk/visit/surrey	3
Suffolk \| East Anglia \| National Trustwww.nationaltrust.org.uk/visit/suffolk	3

Fix missing ARIA label IDs

National Trust

Where this issue has occurred