Grant Thornton UK

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Our approach to tax | Grant Thornton

CFO solutions | Grant Thornton

Cyber security regulation and compliance | Grant Thornton

International | Grant Thornton

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Sitemap | Grant Thornton

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

March 2026

February 2026

Grant Thornton Llp

Title / URL	Issues
Grant Thornton UKwww.grantthornton.co.uk/	4
First time visit: View without clicking anythingwww.grantthornton.co.uk/	4
Terms and conditions \| Grant Thorntonwww.grantthornton.co.uk/terms-and-conditions/	3
Sign up \| Grant Thorntonwww.grantthornton.co.uk/insights/gated-landing-pages/sign-up/	3
Our approach to tax \| Grant Thorntonwww.grantthornton.co.uk/services/tax/our-approach-to-tax/	3
CFO solutions \| Grant Thorntonwww.grantthornton.co.uk/services/consulting/cfo-solutions/	3
Cyber security regulation and compliance \| Grant Thorntonwww.grantthornton.co.uk/services/cyber/cyber-security-regulation-and-compliance/	3
International \| Grant Thorntonwww.grantthornton.co.uk/services/international/	3
Disclaimer \| Grant Thorntonwww.grantthornton.co.uk/disclaimer/	3
Sitemap \| Grant Thorntonwww.grantthornton.co.uk/sitemap/	3

Fix missing ARIA label IDs

Grant Thornton Llp

Where this issue has occurred