Other Metals

Sullivan Mine

Awards

Our Purpose and Values

Exploration

Governance

Technology Sites

Sustainability

Contact

Antamina

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

Teck Resources Limited

	Title / URL	Issues
	Other Metalswww.teck.com/products/other-metals/	4
	Sullivan Minewww.teck.com/operations/canada/legacy/sullivan-mine/	3
	Awardswww.teck.com/about/awards/	3
	Our Purpose and Valueswww.teck.com/about/our-purpose-and-values/	3
	Explorationwww.teck.com/operations/global/exploration/exploration/	3
	Governancewww.teck.com/about/governance/	3
	Technology Siteswww.teck.com/products/technology-sites/	3
	Sustainabilitywww.teck.com/sustainability/	3
	Contactwww.teck.com/about/contact/	3
	Antaminawww.teck.com/operations/peru/operations/antamina/	3

Fix missing ARIA label IDs

Teck Resources Limited

Where this issue has occurred