Gartner Expert Insights To Make Smarter Decisions | Gartner

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

Gartner for Sales Leaders

Gartner Marketing Insights

Gartner Communications Insights

Leverage Technology with Gartner for Data and Analytics Leaders

Gartner for Product Management Leaders

Helping Tech Marketers Drive Growth | Gartner

Gartner HR Insights

Gartner Legal and Compliance Insights

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 2026

January 2026

Gartner Inc

	Title / URL	Issues
	Gartner Expert Insights To Make Smarter Decisions \| Gartnerwww.gartner.com/en/experts	5
	Information Technology (IT) Glossary - Essential Information Technology (IT) Terms & Definitions \| Gartnerwww.gartner.com/en/information-technology/glossary	5
	Gartner for Sales Leaderswww.gartner.com/en/sales	3
	Gartner Marketing Insightswww.gartner.com/en/marketing	3
	Gartner Communications Insightswww.gartner.com/en/communications	3
	Leverage Technology with Gartner for Data and Analytics Leaderswww.gartner.com/en/data-analytics	3
	Gartner for Product Management Leaderswww.gartner.com/en/product-management	3
	Helping Tech Marketers Drive Growth \| Gartnerwww.gartner.com/en/tech-marketing	3
	Gartner HR Insightswww.gartner.com/en/human-resources	3
	Gartner Legal and Compliance Insightswww.gartner.com/en/legal-compliance	3

Fix missing ARIA label IDs

Gartner Inc

Where this issue has occurred