Find your curriculum | PSL

News | PSL

Company | PSL

Sapere Aude | PSL

Organization | PSL

Schools | PSL

PSL PhD Tracks | PSL

Finance | PSL

Education | PSL

Alumni | PSL

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

Université PSL

	Title / URL	Issues
	Find your curriculum \| PSLpsl.eu/en/education/find-your-curriculum	1
	News \| PSLwww.psl.eu/en/news	1
	Company \| PSLwww.psl.eu/en/company	1
	Sapere Aude \| PSLwww.psl.eu/en/university/sapere-aude	1
	Organization \| PSLwww.psl.eu/en/university/organization	1
	Schools \| PSLwww.psl.eu/en/university/schools	1
	PSL PhD Tracks \| PSLpsl.eu/en/education/find-your-curriculum/psl-phd-tracks	1
	Finance \| PSLwww.psl.eu/en/graduate-programs/graduate-program-finance	1
	Education \| PSLwww.psl.eu/en/education	1
	Alumni \| PSLwww.psl.eu/en/alumni	1

Fix missing ARIA label IDs

Université PSL

Where this issue has occurred