Sports, parks and trees | Islington Council

Birth death marriage and citizenship | Islington Council

Islington council | Libraries, museums and local history

Social care and health | Islington Council

Children and families | Islington Council

Environment and energy | Islington Council

Islington Council | About the council

Recycling and rubbish | Islington Council

Council tax | Islington Council

Islington home page | Islington Council

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

London Borough of Islington Council

Title / URL	Issues
Sports, parks and trees \| Islington Councilwww.islington.gov.uk/physical-activity-parks-and-trees	5
Birth death marriage and citizenship \| Islington Councilwww.islington.gov.uk/birth-death-marriage-and-citizenship	5
Islington council \| Libraries, museums and local historywww.islington.gov.uk/libraries-arts-and-heritage	4
Social care and health \| Islington Councilwww.islington.gov.uk/social-care-and-health	4
Children and families \| Islington Councilwww.islington.gov.uk/children-and-families	3
Environment and energy \| Islington Councilwww.islington.gov.uk/environment-and-energy	3
Islington Council \| About the councilwww.islington.gov.uk/about-the-council	3
Recycling and rubbish \| Islington Councilwww.islington.gov.uk/recycling-and-rubbish	3
Council tax \| Islington Councilwww.islington.gov.uk/council-tax	2
Islington home page \| Islington Councilwww.islington.gov.uk/	1

Fix missing ARIA label IDs

London Borough of Islington Council

Where this issue has occurred