Moon Library

ESF Campuses

Office of Research Programs

About ESF - Our Relationship with Syracuse University

Fast Facts

About ESF - Rankings

Campus Maps, Directions, Access, Lodging, and Parking | About ESF

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

College of Environmental Science and Forestry

Title / URL	Issues
Moon Librarywww.esf.edu/library/	2
ESF Campuseswww.esf.edu/campuses/index.php	2
Office of Research Programswww.esf.edu/research/orp/	2
About ESF - Our Relationship with Syracuse Universitywww.esf.edu/about/esfsu.php	2
Fast Factswww.esf.edu/about/fastfacts.php	2
About ESF - Rankingswww.esf.edu/about/rankings.php	2
Campus Maps, Directions, Access, Lodging, and Parking \| About ESFwww.esf.edu/about/maps/	2

Fix missing ARIA label IDs

College of Environmental Science and Forestry

Where this issue has occurred