Capabilities | Aon

Strategy and Technology Group | Aon

Industrials and Manufacturing | Aon

Reinsurance | Aon

Doing Business with Aon: Responsible Sourcing

Credit Solutions | Aon

Actuarial and Analytics | Aon

Casualty Risk Management and Insurance | Aon

Claims and Client Services | Aon

Better Decisions | Aon

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

August 2025

July 2025

Aon plc

	Title / URL	Issues
	Capabilities \| Aonwww.aon.com/en/capabilities	12
	Strategy and Technology Group \| Aonwww.aon.com/en/capabilities/strategy-and-technology-group	10
	Industrials and Manufacturing \| Aonwww.aon.com/en/industries/industrials-and-manufacturing	10
	Reinsurance \| Aonwww.aon.com/en/capabilities/reinsurance	10
	Doing Business with Aon: Responsible Sourcingwww.aon.com/en/about/leadership-and-governance/supplier-information/responsible-sourcing	10
	Credit Solutions \| Aonwww.aon.com/en/capabilities/risk-transfer/credit-solutions	10
	Actuarial and Analytics \| Aonwww.aon.com/en/capabilities/risk-management/actuarial-and-analytics	10
	Casualty Risk Management and Insurance \| Aonwww.aon.com/en/capabilities/risk-management/casualty-risk-management-and-insurance	10
	Claims and Client Services \| Aonwww.aon.com/en/capabilities/reinsurance/claims-and-client-services	10
	Better Decisions \| Aonwww.aon.com/en/	10

Fix missing ARIA label IDs

Aon plc

Where this issue has occurred