Academic Support | Mercy University

School of Business | Mercy University

The Catalyst Program by Mercy University

CARE Team | Mercy University

Mercy University | New York | Apply Today

School of Nursing | Mercy University

Dining at Mercy | Mercy University

Academic Centers & Libraries | Mercy University

Campus Life | Mercy University

Mav Market | Mercy University

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

Mercy College

Title / URL	Issues
Academic Support \| Mercy Universitymercy.edu/academics/academic-support	2
School of Business \| Mercy Universitymercy.edu/academics/school-business	2
The Catalyst Program by Mercy Universitymercy.edu/admissions-aid/catalyst	2
CARE Team \| Mercy Universitymercy.edu/student-support/care-team	2
Mercy University \| New York \| Apply Todaymercy.edu/	2
School of Nursing \| Mercy Universitymercy.edu/academics/school-nursing	2
Dining at Mercy \| Mercy Universitymercy.edu/campus-life/dining-mercy	2
Academic Centers & Libraries \| Mercy Universitymercy.edu/academics/academic-centers	2
Campus Life \| Mercy Universitymercy.edu/campus-life	2
Mav Market \| Mercy Universitymercy.edu/student-support/mav-market	2

Fix missing ARIA label IDs

Mercy College

Where this issue has occurred