Student Resources - The University of Maine - University of Maine

UMaine Research

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The University of Maine

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College of Liberal Arts and Sciences

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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

February 2025

January 2025

University of Maine

Title / URL	Issues
Student Resources - The University of Maine - University of Maineumaine.edu/current/	1
UMaine Researchumaine.edu/research/	1
Student Business Servicesumaine.edu/bursar/	1
The University of Maineumaine.edu/	1
Campus Map - The University of Maine - University of Maineumaine.edu/campus-map/	1
College of Liberal Arts and Sciencesumaine.edu/las/	1
Home - Parking Services - University of Maineumaine.edu/parking/	1
First time visit: View without clicking anythingumaine.edu/	1
First Generation Student Supportumaine.edu/first-gen/	1
University of Maine Newsumaine.edu/news/	1

Fix missing ARIA label IDs

University of Maine

Where this issue has occurred