Life on Campus | Viterbo University

Registrar | Viterbo University

Business Office | Viterbo University

Visit Viterbo | Viterbo University

Library | Viterbo University

Human Resources | Viterbo University

MyVU | Viterbo University

Financial Aid | Viterbo University

A–Z Index | Viterbo University

Viterbo News | Viterbo 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

December 2025

November 2025

Viterbo University

Title / URL	Issues
Life on Campus \| Viterbo Universitywww.viterbo.edu/life-campus	2
Registrar \| Viterbo Universitywww.viterbo.edu/registrar	2
Business Office \| Viterbo Universitywww.viterbo.edu/business-office	2
Visit Viterbo \| Viterbo Universitywww.viterbo.edu/visit	2
Library \| Viterbo Universitywww.viterbo.edu/library	2
Human Resources \| Viterbo Universitywww.viterbo.edu/human-resources	2
MyVU \| Viterbo Universitywww.viterbo.edu/myvu	2
Financial Aid \| Viterbo Universitywww.viterbo.edu/financial-aid	2
A–Z Index \| Viterbo Universitywww.viterbo.edu/about-viterbo/z-index	2
Viterbo News \| Viterbo Universitywww.viterbo.edu/news	2

Fix missing ARIA label IDs

Viterbo University

Where this issue has occurred