Transforming transportation | ExxonMobil

Who we are | About us | ExxonMobil

Sustainability and reports | ExxonMobil

Energy supply | ExxonMobil

ExxonMobil for suppliers

Our approach | ExxonMobil

First time visit: View without clicking anything

Exxon Mobil Corporation | ExxonMobil

Corporate governance | ExxonMobil

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

January 2025

December 2024

Exxon Mobil Corp.

Title / URL	Issues
Transforming transportation \| ExxonMobilcorporate.exxonmobil.com/what-we-do/transforming-transportation	3
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
ExxonMobil for supplierscorporate.exxonmobil.com/procurement/exxonmobil-for-suppliers	2
Our approach \| ExxonMobilcorporate.exxonmobil.com/who-we-are/our-approach	1
First time visit: View without clicking anythingcorporate.exxonmobil.com/	1
Exxon Mobil Corporation \| ExxonMobilcorporate.exxonmobil.com/	1
Corporate governance \| ExxonMobilcorporate.exxonmobil.com/corporate-governance	1

Fix missing ARIA label IDs

Exxon Mobil Corp.

Where this issue has occurred