Caterpillar | Caterpillar Inc

First time visit: View without clicking anything

Caterpillar | 100 Years of Caterpillar

Caterpillar | Company | About Caterpillar

Caterpillar | Caterpillar, Inc.

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.

	Title / URL	Issues
	Caterpillar \| Caterpillar Incwww.caterpillar.com/en.html	43
	Caterpillar \| Caterpillar Incwww.caterpillar.com/	43
	First time visit: View without clicking anythingwww.caterpillar.com/	43
	Caterpillar \| Caterpillar Incwww.caterpillar.com/pt.html	41
	Caterpillar \| Caterpillar Incwww.caterpillar.com/zh.html	21
	Caterpillar \| 100 Years of Caterpillarwww.caterpillar.com/en/company/100.html	20
	Caterpillar \| Company \| About Caterpillarwww.caterpillar.com/en/company.html	17
	Caterpillar \| Caterpillar Incwww.caterpillar.com/ru.html	12
	Caterpillar \| Caterpillar Incwww.caterpillar.com/fr.html	12
	Caterpillar \| Caterpillar, Inc.www.caterpillar.com/de.html	11

Fix missing ARIA label IDs

Caterpillar Inc.

Where this issue has occurred