Schaffer Library | Union College

Make Union Yours | Union College

Union News & Events | Union College

Union College

First time visit: View without clicking anything

Academics | Union College

About Union | Union College

Undergraduate Research | Union College

Student Life | Union College

Union at a Glance | Admissions | Union College

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

January 2026

December 2025

Union College NY

Title / URL	Issues
Schaffer Library \| Union Collegewww.union.edu/schaffer-library	12
Make Union Yours \| Union Collegewww.union.edu/make-union-yours	10
Union News & Events \| Union Collegewww.union.edu/news	8
Union Collegewww.union.edu/	6
First time visit: View without clicking anythingwww.union.edu/	6
Academics \| Union Collegewww.union.edu/academic	5
About Union \| Union Collegewww.union.edu/about	3
Undergraduate Research \| Union Collegewww.union.edu/academic/research	3
Student Life \| Union Collegewww.union.edu/student-life	3
Union at a Glance \| Admissions \| Union Collegewww.union.edu/admissions/union	2

Fix missing ARIA label IDs

Union College NY

Where this issue has occurred