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First time visit: View without clicking anything

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Trains in France | Buy France Train Tickets Online | Trainline

Trainline: Train tickets, travel information, train times and train timetables

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Book Cheap Eurostar tickets | 20% off Standard Premier | Trainline

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

June 2024

May 2024

Trainline

Title / URL	Issues
Trainline \| Search, Compare & Buy Cheap Train & Bus Ticketswww.thetrainline.com/en-us	14
First time visit: View without clicking anythingwww.thetrainline.com/en-us	14
Find our best priced train destinations \| Online Train Trip Planner \| Trainlinewww.thetrainline.com/en-us/trip-planner	13
Trains in England \| Buy England Train Tickets \| Trainlinewww.thetrainline.com/en-us/trains/england	12
SNCF Trains \| Buy SNCF Train Tickets for France Online \| Trainlinewww.thetrainline.com/en-us/train-companies/sncf	12
Trains in France \| Buy France Train Tickets Online \| Trainlinewww.thetrainline.com/en-us/trains/france	12
Trainline: Train tickets, travel information, train times and train timetableswww.thetrainline.com/my-account/forgot-password	12
Welcome to Via \| Trainline's Travel Inspiration Blog \| Trainlinewww.thetrainline.com/en-us/via	12
Trainline Business \| Business travel simplifiedwww.thetrainline.com/business	12
Book Cheap Eurostar tickets \| 20% off Standard Premier \| Trainlinewww.thetrainline.com/en-us/train-companies/eurostar	12

Fix missing ARIA label IDs

Trainline

Where this issue has occurred