Faculté des sciences sociales et politiques - UNIL

Faculté des hautes études commerciales (HEC Lausanne) - UNIL

Faculté de théologie et de sciences des religions (FTSR) - UNIL

Recherche - UNIL

First time visit: View without clicking anything

Étudier à l’UNIL - UNIL

L’Université de Lausanne - UNIL

University of Lausanne

Faculté de droit, sciences criminelles et administration publique - UNIL

Université de Lausanne - UNIL

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

	Title / URL	Issues
	Faculté des sciences sociales et politiques - UNILwww.unil.ch/ssp/fr/home.html	1
	Faculté des hautes études commerciales (HEC Lausanne) - UNILwww.unil.ch/hec/fr/home.html	1
	Faculté de théologie et de sciences des religions (FTSR) - UNILwww.unil.ch/ftsr/fr/home.html	1
	Recherche - UNILwww.unil.ch/unil/fr/home/menuinst/recherche.html	1
	First time visit: View without clicking anythingwww.unil.ch/unil/fr/home.html	1
	Étudier à l’UNIL - UNILwww.unil.ch/unil/fr/home/menuinst/etudier.html	1
	L’Université de Lausanne - UNILwww.unil.ch/unil/fr/home/menuinst/universite.html	1
	University of Lausannewww.unil.ch/unil/en/home.html	1
	Faculté de droit, sciences criminelles et administration publique - UNILwww.unil.ch/fdca/fr/home.html	1
	Université de Lausanne - UNILwww.unil.ch/unil/fr/home.html	1

Fix missing ARIA label IDs

University of Lausanne

Where this issue has occurred