Page not found - Independent Monitoring Boards

Want to be a prison volunteer? - Independent Monitoring Boards

Media coverage - Independent Monitoring Boards

Making a difference - Independent Monitoring Boards

London STHF Archives - Independent Monitoring Boards

News Archive - Independent Monitoring Boards

HMP/YOI Lewes Archives - Independent Monitoring Boards

Contact us - Independent Monitoring Boards

Yarl's Wood IRC Archives - Independent Monitoring Boards

About us - Independent Monitoring Boards

All `id` attributes on a page must be unique, or accessible technologies used by the page 
can stop working.

## Example

The duplicate `id` here makes it unclear which label belongs to which input field:

```html
<label for="name">Your name</label>
<input id="name">

<label for="name">Company name</label>
<input id="name">
```

As a result, accessible technologies like screen readers can fail to read out the 
correct text, or may read out no text at all.

Similar issues can occur when using `aria-labelledby` and `aria-describedby`.

## How to fix

Ensure all `id` attributes on a page are unique. 

## More information

See [Technique H93](https://www.w3.org/TR/2016/NOTE-WCAG20-TECHS-20161007/H93) 
for more information.

duplicate-id

December 2025

November 2025

Independent Monitoring Boards of Prisons, Immigration, Removal Centres and Short Term Holding Rooms

Title / URL	Issues
Page not found - Independent Monitoring Boardsimb.org.uk/invented-url-for-404-page	4
Want to be a prison volunteer? - Independent Monitoring Boardsimb.org.uk/prison-volunteer/	2
Media coverage - Independent Monitoring Boardsimb.org.uk/news/media-coverage/	2
Making a difference - Independent Monitoring Boardsimb.org.uk/about-us/making-difference/	2
London STHF Archives - Independent Monitoring Boardsimb.org.uk/tag/london-sthf/	2
News Archive - Independent Monitoring Boardsimb.org.uk/news/	2
HMP/YOI Lewes Archives - Independent Monitoring Boardsimb.org.uk/tag/hmp-yoi-lewes/	2
Contact us - Independent Monitoring Boardsimb.org.uk/contact/	2
Yarl's Wood IRC Archives - Independent Monitoring Boardsimb.org.uk/tag/yarls-wood-irc/	2
About us - Independent Monitoring Boardsimb.org.uk/about-us/	2

Fix duplicate IDs

Independent Monitoring Boards of Prisons, Immigration, Removal Centres and Short Term Holding Rooms

Where this issue has occurred