College of Engineering and Computer Science | University of Tennessee at Chattanooga

Our Community | University of Tennessee at Chattanooga

Student Resources | University of Tennessee at Chattanooga

Error 404 | University of Tennessee at Chattanooga

Admissions | University of Tennessee at Chattanooga

Passwords | University of Tennessee at Chattanooga

Alumni and Friends | University of Tennessee at Chattanooga

Newsroom | University of Tennessee at Chattanooga

Institutional Vision, Mission, Core Values | University of Tennessee at Chattanooga

Emergency Preparedness | University of Tennessee at Chattanooga

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

September 2024

August 2024

University of Tennessee Chattanooga

Title / URL	Issues
College of Engineering and Computer Science \| University of Tennessee at Chattanoogawww.utc.edu/engineering-and-computer-science	3
Our Community \| University of Tennessee at Chattanoogawww.utc.edu/about/chattanooga	1
Student Resources \| University of Tennessee at Chattanoogawww.utc.edu/about/student-resources	1
Error 404 \| University of Tennessee at Chattanoogawww.utc.edu/invented-url-for-404-page	1
Admissions \| University of Tennessee at Chattanoogawww.utc.edu/about/admissions	1
Passwords \| University of Tennessee at Chattanoogawww.utc.edu/information-technology/passwords	1
Alumni and Friends \| University of Tennessee at Chattanoogawww.utc.edu/about/alumni-and-friends	1
Newsroom \| University of Tennessee at Chattanoogawww.utc.edu/newsroom	1
Institutional Vision, Mission, Core Values \| University of Tennessee at Chattanoogawww.utc.edu/about/utc-vision-mission-and-core-values	1
Emergency Preparedness \| University of Tennessee at Chattanoogawww.utc.edu/about/emergency-preparedness	1

Fix missing ARIA label IDs

University of Tennessee Chattanooga

Where this issue has occurred