Home | Superdrug Mobile

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.

Title / URL	Issues
Home \| Superdrug Mobilewww.superdrugmobile.com/register/blog/mobile-phone-storage-hacks	2
Home \| Superdrug Mobilewww.superdrugmobile.com/register/blog/best-health-apps-mobile	2
Home \| Superdrug Mobilewww.superdrugmobile.com/register/blog/benefits-SIM-only-mobile-plan	2
Home \| Superdrug Mobilewww.superdrugmobile.com/register/blog/save-money-on-mobile-phone-bill	2
Home \| Superdrug Mobilewww.superdrugmobile.com/register/blog/superdrugmobile-powered-by-three	2
Home \| Superdrug Mobilewww.superdrugmobile.com/register/blog/best-mobile-phone-taking-selfies	2
Home \| Superdrug Mobilewww.superdrugmobile.com/register/blog/best-free-productivity-apps	2
Home \| Superdrug Mobilewww.superdrugmobile.com/register/sim-only/deals/SD_Unlimited/view	2
Home \| Superdrug Mobilewww.superdrugmobile.com/register/blog/what-is-autoswitch-text-to-switch	2
Home \| Superdrug Mobilewww.superdrugmobile.com/register/login	2

Fix missing ARIA label IDs

Superdrug Mobile

Where this issue has occurred