The Northern Trust Institute

Nonprofits | Northern Trust

Financial Advisors | Northern Trust

About Us | Northern Trust

What We Do | Financial Services and Investments | Northern Trust

Pension Funds | Northern Trust

Who We Serve | Financial Services for Individuals and Institutional Clients | Northern Trust

Northern Trust | Guided by service, expertise and integrity

Legal Terms and Conditions | Northern Trust

Financial Insights & Research | Northern Trust

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

September 2025

August 2025

Northern Trust

	Title / URL	Issues
	The Northern Trust Institutewww.northerntrust.com/united-states/institute	4
	Nonprofits \| Northern Trustwww.northerntrust.com/europe/who-we-serve/nonprofits	4
	Financial Advisors \| Northern Trustwww.northerntrust.com/europe/who-we-serve/financial-advisors	2
	About Us \| Northern Trustwww.northerntrust.com/europe/about-us	2
	What We Do \| Financial Services and Investments \| Northern Trustwww.northerntrust.com/europe/what-we-do	2
	Pension Funds \| Northern Trustwww.northerntrust.com/europe/who-we-serve/pension-funds	2
	Who We Serve \| Financial Services for Individuals and Institutional Clients \| Northern Trustwww.northerntrust.com/europe/who-we-serve	2
	Northern Trust \| Guided by service, expertise and integritywww.northerntrust.com/europe/home	2
	Legal Terms and Conditions \| Northern Trustwww.northerntrust.com/europe/terms-and-conditions	2
	Financial Insights & Research \| Northern Trustwww.northerntrust.com/europe/insights-research	2

Fix missing ARIA label IDs

Northern Trust

Where this issue has occurred