Wall of Service | Canadian Museum of Immigration at Pier 21

What Your Donation Makes Possible | Canadian Museum of Immigration at Pier 21

Donor Impact | Canadian Museum of Immigration at Pier 21

Ways to Give | Canadian Museum of Immigration at Pier 21

About the Museum | Canadian Museum of Immigration at Pier 21

Volunteer | Canadian Museum of Immigration at Pier 21

Education Groups | Canadian Museum of Immigration at Pier 21

Staff Directory | Canadian Museum of Immigration at Pier 21

Media Centre | Canadian Museum of Immigration at Pier 21

Oral History | Canadian Museum of Immigration at Pier 21

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

Canadian Museum of Immigration at Pier 21

	Title / URL	Issues
	Wall of Service \| Canadian Museum of Immigration at Pier 21pier21.ca/support/wall-service	12
	What Your Donation Makes Possible \| Canadian Museum of Immigration at Pier 21pier21.ca/your-donation	12
	Donor Impact \| Canadian Museum of Immigration at Pier 21pier21.ca/support/donor-impact	12
	Ways to Give \| Canadian Museum of Immigration at Pier 21pier21.ca/support/ways-to-give	12
	About the Museum \| Canadian Museum of Immigration at Pier 21pier21.ca/about/about-museum	11
	Volunteer \| Canadian Museum of Immigration at Pier 21pier21.ca/about/volunteer	11
	Education Groups \| Canadian Museum of Immigration at Pier 21pier21.ca/learn/education-groups	11
	Staff Directory \| Canadian Museum of Immigration at Pier 21pier21.ca/about/staff-directory	11
	Media Centre \| Canadian Museum of Immigration at Pier 21pier21.ca/about/media-centre	11
	Oral History \| Canadian Museum of Immigration at Pier 21pier21.ca/research/oral-history	10

Fix missing ARIA label IDs

Canadian Museum of Immigration at Pier 21

Where this issue has occurred