Public Works | City of Mission Viejo

Services A-Z | City of Mission Viejo

Departments | City of Mission Viejo

City Clerk | City of Mission Viejo

Page not found | City of Mission Viejo

City Council | City of Mission Viejo

City Directory - Contact Us | City of Mission Viejo

eNewsletter Subscribe | City of Mission Viejo

News | City of Mission Viejo

Human Resources | City of Mission Viejo

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

July 2025

June 2025

City of Mission Viejo

Title / URL	Issues
Public Works \| City of Mission Viejowww.cityofmissionviejo.org/departments/public-works	2
Services A-Z \| City of Mission Viejowww.cityofmissionviejo.org/services-guides/services	2
Departments \| City of Mission Viejowww.cityofmissionviejo.org/departments	2
City Clerk \| City of Mission Viejowww.cityofmissionviejo.org/departments/city-clerk	2
Page not found \| City of Mission Viejowww.cityofmissionviejo.org/invented-url-for-404-page	2
City Council \| City of Mission Viejowww.cityofmissionviejo.org/government/city-council	2
City Directory - Contact Us \| City of Mission Viejowww.cityofmissionviejo.org/government/city-directory	2
eNewsletter Subscribe \| City of Mission Viejowww.cityofmissionviejo.org/subscribe	2
News \| City of Mission Viejowww.cityofmissionviejo.org/news	2
Human Resources \| City of Mission Viejowww.cityofmissionviejo.org/departments/human-resources	2

Fix missing ARIA label IDs

City of Mission Viejo

Where this issue has occurred