Alumni | London South Bank University

Professional development and short courses | London South Bank University

Computer Science | London South Bank University

Maps and travel | London South Bank University

Business services | London South Bank University

Student support | London South Bank University

Study | London South Bank University

Research | London South Bank University

Policies and procedures | London South Bank University

Data Protection | London South Bank 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

October 2025

September 2025

London South Bank University

	Title / URL	Issues
	Alumni \| London South Bank Universitywww.lsbu.ac.uk/about-us/alumni	4
	Professional development and short courses \| London South Bank Universitywww.lsbu.ac.uk/business/cpd-and-short-courses	4
	Computer Science \| London South Bank Universitywww.lsbu.ac.uk/study/study-at-lsbu/subjects/computing	3
	Maps and travel \| London South Bank Universitywww.lsbu.ac.uk/contact-us/maps-and-travel	2
	Business services \| London South Bank Universitywww.lsbu.ac.uk/business/business-services	1
	Student support \| London South Bank Universitywww.lsbu.ac.uk/student-life/student-support	1
	Study \| London South Bank Universitywww.lsbu.ac.uk/our-colleges/business/study	1
	Research \| London South Bank Universitywww.lsbu.ac.uk/our-colleges/business/research	1
	Policies and procedures \| London South Bank Universitywww.lsbu.ac.uk/about-us/policies-regulations-procedures	1
	Data Protection \| London South Bank Universitywww.lsbu.ac.uk/footer/data-protection	1

Fix missing ARIA label IDs

London South Bank University

Where this issue has occurred