Biopharma Consulting and Strategy Services | BCG

Energy Industry Consulting & Strategy | BCG

Energy Transition Consulting & Strategy | BCG

Aerospace and Defense Consulting and Strategy | BCG

Health Care Industry Consulting and Strategy | BCG

Industrial Goods Consulting and Strategy | BCG

Insurance Consulting Services | Insurance Strategy | BCG

Upstream Consulting | Exploration and Production | BCG

Education Consulting and Strategy Services | BCG

Automotive Industry Consulting and Strategy | BCG

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

Boston Consulting Group

	Title / URL	Issues
	Biopharma Consulting and Strategy Services \| BCGwww.bcg.com/industries/health-care/biopharma	11
	Energy Industry Consulting & Strategy \| BCGwww.bcg.com/industries/energy/overview	11
	Energy Transition Consulting & Strategy \| BCGwww.bcg.com/industries/energy/energy-transition	10
	Aerospace and Defense Consulting and Strategy \| BCGwww.bcg.com/industries/aerospace-defense/overview	10
	Health Care Industry Consulting and Strategy \| BCGwww.bcg.com/industries/health-care/overview	10
	Industrial Goods Consulting and Strategy \| BCGwww.bcg.com/industries/industrial-goods/overview	10
	Insurance Consulting Services \| Insurance Strategy \| BCGwww.bcg.com/industries/insurance/overview	10
	Upstream Consulting \| Exploration and Production \| BCGwww.bcg.com/industries/energy/upstream-operations	9
	Education Consulting and Strategy Services \| BCGwww.bcg.com/industries/education/overview	9
	Automotive Industry Consulting and Strategy \| BCGwww.bcg.com/industries/automotive/overview	8

Fix missing ARIA label IDs

Boston Consulting Group

Where this issue has occurred