Find our best priced train destinations | Online Train Trip Planner | Trainline

Welcome to Via | Trainline's Travel Inspiration Blog | Trainline

Trains in Europe | Buy European Train Tickets Online | Trainline

SNCF Trains | Buy SNCF Train Tickets for France Online | Trainline

Paris to Nice by Train | Buy Official TGV Tickets | Trainline

Trains in France | Buy France Train Tickets Online | Trainline

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

Trainline Business | Business travel simplified

Book Cheap Eurostar 2025 Tickets | Routes, Map & More | Trainline

Trains in Italy | Buy Italy Train Tickets | 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 2025

May 2025

Trainline

Title / URL	Issues
Find our best priced train destinations \| Online Train Trip Planner \| Trainlinewww.thetrainline.com/en-us/trip-planner	8
Welcome to Via \| Trainline's Travel Inspiration Blog \| Trainlinewww.thetrainline.com/en-us/via	7
Trains in Europe \| Buy European Train Tickets Online \| Trainlinewww.thetrainline.com/en-us/trains/europe	7
SNCF Trains \| Buy SNCF Train Tickets for France Online \| Trainlinewww.thetrainline.com/en-us/train-companies/sncf	7
Paris to Nice by Train \| Buy Official TGV Tickets \| Trainlinewww.thetrainline.com/en-us/train-times/paris-to-nice	7
Trains in France \| Buy France Train Tickets Online \| Trainlinewww.thetrainline.com/en-us/trains/france	7
Trainline: Train tickets, travel information, train times and train timetableswww.thetrainline.com/my-account/forgot-password	7
Trainline Business \| Business travel simplifiedwww.thetrainline.com/business	7
Book Cheap Eurostar 2025 Tickets \| Routes, Map & More \| Trainlinewww.thetrainline.com/en-us/train-companies/eurostar	7
Trains in Italy \| Buy Italy Train Tickets \| Trainlinewww.thetrainline.com/en-us/trains/italy	7

Fix missing ARIA label IDs

Trainline

Where this issue has occurred