Study on campus in Paris | University of London

Senior Executive Team | University of London

Mission and Values | University of London

News | University of London

Student policies | University of London

Am I qualified? | University of London

Conference and event hire | University of London

Costs of your course | University of London

Your impact | University of London

Taster courses for schools | University of London

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

August 2024

July 2024

University of London

Title / URL	Issues
Study on campus in Paris \| University of Londonwww.london.ac.uk/study/where-study/study-campus-paris	2
Senior Executive Team \| University of Londonwww.london.ac.uk/about/senior-executive-team	2
Mission and Values \| University of Londonwww.london.ac.uk/about/strategy/mission-values	2
News \| University of Londonwww.london.ac.uk/news-events/news	2
Student policies \| University of Londonwww.london.ac.uk/current-students/student-policies	2
Am I qualified? \| University of Londonwww.london.ac.uk/study/how-apply/am-qualified	2
Conference and event hire \| University of Londonwww.london.ac.uk/about/services/conference-event-hire	2
Costs of your course \| University of Londonwww.london.ac.uk/study/fees-funding/costs-course	2
Your impact \| University of Londonwww.london.ac.uk/alumni-supporters/support-us/impact	2
Taster courses for schools \| University of Londonwww.london.ac.uk/study/taster-courses-schools	2

Fix missing ARIA label IDs

University of London

Where this issue has occurred