Gartner Expert Insights To Make Smarter Decisions | Gartner

Gartner Supply Chain Insights

Helping Tech Marketers Make Strategy and Decisions That Drive Growth | Gartner

Gartner Legal and Compliance Insights

Gartner HR Insights

Leverage Technology with Gartner for Data and Analytics Leaders. | Gartner

Gartner for Sales Leaders

Gartner Audit & Risk Insights

Gartner Finance Insights

Gartner for Cybersecurity Leaders | Gartner

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 2025

October 2025

Gartner Inc

Title / URL	Issues
Gartner Expert Insights To Make Smarter Decisions \| Gartnerwww.gartner.com/en/experts	5
Gartner Supply Chain Insightswww.gartner.com/en/supply-chain	3
Helping Tech Marketers Make Strategy and Decisions That Drive Growth \| Gartnerwww.gartner.com/en/tech-marketing	3
Gartner Legal and Compliance Insightswww.gartner.com/en/legal-compliance	3
Gartner HR Insightswww.gartner.com/en/human-resources	3
Leverage Technology with Gartner for Data and Analytics Leaders. \| Gartnerwww.gartner.com/en/data-analytics	3
Gartner for Sales Leaderswww.gartner.com/en/sales	3
Gartner Audit & Risk Insightswww.gartner.com/en/audit-risk	3
Gartner Finance Insightswww.gartner.com/en/finance	3
Gartner for Cybersecurity Leaders \| Gartnerwww.gartner.com/en/cybersecurity	3

Fix missing ARIA label IDs

Gartner Inc

Where this issue has occurred