News | Alumni | University of Greenwich

Equality, Diversity and Inclusion (EDI) Compliance | People Directorate | University of Greenwich

Partner Institutions | About the university | University of Greenwich

Graduate Outcomes | Alumni | University of Greenwich

Get Involved | Sustainability | University of Greenwich

Collaborations and International Partnerships | University of Greenwich

The Team | Sustainability | University of Greenwich

Staff Sustainability | Sustainability | University of Greenwich

Disability and Dyslexia | Support | University of Greenwich

Governance and management | About the university | University of Greenwich

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 2025

May 2025

University of Greenwich

Title / URL	Issues
News \| Alumni \| University of Greenwichwww.gre.ac.uk/alumni/news	1
Equality, Diversity and Inclusion (EDI) Compliance \| People Directorate \| University of Greenwichwww.gre.ac.uk/people-directorate/edi	1
Partner Institutions \| About the university \| University of Greenwichwww.gre.ac.uk/about-us/partner	1
Graduate Outcomes \| Alumni \| University of Greenwichwww.gre.ac.uk/alumni/graduate-outcomes	1
Get Involved \| Sustainability \| University of Greenwichwww.gre.ac.uk/sustain/get-involved	1
Collaborations and International Partnerships \| University of Greenwichwww.gre.ac.uk/collaborations	1
The Team \| Sustainability \| University of Greenwichwww.gre.ac.uk/sustain/team	1
Staff Sustainability \| Sustainability \| University of Greenwichwww.gre.ac.uk/sustain/staff	1
Disability and Dyslexia \| Support \| University of Greenwichwww.gre.ac.uk/support/disability	1
Governance and management \| About the university \| University of Greenwichwww.gre.ac.uk/about-us/governance	1

Fix missing ARIA label IDs

University of Greenwich

Where this issue has occurred