Transforming transportation | ExxonMobil

ExxonMobil STEM Training Program

Who we are | About us | ExxonMobil

Sustainability and reports | ExxonMobil

Energy supply | ExxonMobil

Investing in communities | ExxonMobil

Our approach | ExxonMobil

Subscribe | ExxonMobil

Suppliers | ExxonMobil

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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

April 2025

March 2025

Exxon Mobil Corp.

Title / URL	Issues
Transforming transportation \| ExxonMobilcorporate.exxonmobil.com/what-we-do/transforming-transportation	3
ExxonMobil STEM Training Programcorporate.exxonmobil.com/community/stem	2
Who we are \| About us \| ExxonMobilcorporate.exxonmobil.com/who-we-are	2
Sustainability and reports \| ExxonMobilcorporate.exxonmobil.com/sustainability-and-reports	2
Energy supply \| ExxonMobilcorporate.exxonmobil.com/what-we-do/energy-supply	2
Investing in communities \| ExxonMobilcorporate.exxonmobil.com/community	2
Our approach \| ExxonMobilcorporate.exxonmobil.com/who-we-are/our-approach	1
Subscribe \| ExxonMobilcorporate.exxonmobil.com/news/subscribe	1
Suppliers \| ExxonMobilcorporate.exxonmobil.com/procurement/exxonmobil-for-suppliers	1
First time visit: View without clicking anythingcorporate.exxonmobil.com/	1

Fix missing ARIA label IDs

Exxon Mobil Corp.

Where this issue has occurred