Information Technology (IT) Glossary - Essential Information Technology (IT) Terms & Definitions | Gartner

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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

November 2024

October 2024

Gartner Inc

Title / URL	Issues
Information Technology (IT) Glossary - Essential Information Technology (IT) Terms & Definitions \| Gartnerwww.gartner.com/en/information-technology/glossary	4
Gartner for Marketing Leaderswww.gartner.com/en/marketing	3
Gartner for Cybersecurity Leaders \| Gartnerwww.gartner.com/en/cybersecurity	3
Newsroom, Announcements and Media Contacts \| Gartnerwww.gartner.com/en/newsroom	3
Gartner for Finance Leaderswww.gartner.com/en/finance	3
Gartner for Audit & Risk Leaderswww.gartner.com/en/audit-risk	3
Explore Complimentary Gartner Business and IT Webinarswww.gartner.com/en/webinars	3
Gartner for Product Management Leaderswww.gartner.com/en/product-management	3
Gartner for Sales Leaderswww.gartner.com/en/sales	3
Gartner for Innovation & Strategy Leaderswww.gartner.com/en/innovation-strategy	3

Fix missing ARIA label IDs

Gartner Inc

Where this issue has occurred