Improve Learning | University of Guelph

Improve Soils | University of Guelph

Improve Life | University of Guelph

Improve Education | University of Guelph

Improve Careers | University of Guelph

Improve Experience | University of Guelph

Improve Food | University of Guelph

Improve Health | University of Guelph

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

July 2025

June 2025

University of Guelph

	Title / URL	Issues
	Improve Learning \| University of Guelphwww.uoguelph.ca/improve-life/improve-learning	1
	Improve Soils \| University of Guelphwww.uoguelph.ca/improve-life/improve-soils	1
	Improve Life \| University of Guelphwww.uoguelph.ca/improve-life/	1
	Improve Education \| University of Guelphwww.uoguelph.ca/improve-life/improve-education	1
	Improve Careers \| University of Guelphwww.uoguelph.ca/improve-life/improve-careers	1
	Improve Experience \| University of Guelphwww.uoguelph.ca/improve-life/improve-experience	1
	Improve Food \| University of Guelphwww.uoguelph.ca/improve-life/improve-food	1
	Improve Health \| University of Guelphwww.uoguelph.ca/improve-life/improve-health	1

Fix missing ARIA label IDs

University of Guelph

Where this issue has occurred