Alberta School of Business

Faculty of Medicine & Dentistry

Faculty of Arts

Faculty of Nursing

Faculty of Rehabilitation Medicine

Faculty of Engineering

Faculty of Science

Research + Innovation

Faculty of Graduate & Postdoctoral Studies

St. Joseph's College

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 Alberta

	Title / URL	Issues
	Alberta School of Businesswww.ualberta.ca/en/business/index.html	9
	Faculty of Medicine & Dentistrywww.ualberta.ca/en/medicine/index.html	8
	Faculty of Artswww.ualberta.ca/en/arts/index.html	7
	Faculty of Nursingwww.ualberta.ca/en/nursing/index.html	7
	Faculty of Rehabilitation Medicinewww.ualberta.ca/en/rehabilitation/index.html	7
	Faculty of Engineeringwww.ualberta.ca/en/engineering/index.html	7
	Faculty of Sciencewww.ualberta.ca/en/science/index.html	6
	Research + Innovationwww.ualberta.ca/en/research/index.html	6
	Faculty of Graduate & Postdoctoral Studieswww.ualberta.ca/en/graduate-studies/index.html	6
	St. Joseph's Collegewww.ualberta.ca/en/st-josephs/index.html	6

Fix missing ARIA label IDs

University of Alberta

Where this issue has occurred