Accessible image links (image-links)
Image links include non-empty accessible names (via alt, aria-label, or aria-labelledby) that clearly describe the link's purpose or destination.
Non-existent aria-labelledby reference:
This image inside a link uses
aria-labelledby="id1", but no element with ID id1 exists in the
DOM.
This results in an empty accessible name for the image link: