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CSS

Content is not readable and functional when text is increased

This text becomes unreadable when you increase the text-size (Zoom text only) in Firefox

Non-decorative content inserted using CSS

My favourite food is

visibility:hidden used to visually hide content when it should be available to screenreader

Read more about rugby

display:none used to visually hide content when it should be available to screenreader

Read more about football

Page zoom - boxes that don't expand with the text

The box below this example won't expand to fit the text contained within when zoomed in.

This service is for England and Wales only. You must contact individual prisons in Northern Ireland or Scotland to book a visit.

HTML

Duplicate id

Article element used to mark-up an element that's not an article/blog post etc.

Empty paragraph

Deprecated center element

This text is centred using the center element

Invalid ARIA role names

Object not embedded accessibly - wmode parameter not set to window

Alternative text

Spacer image found

We are here. And you are there.

Inline style adds color

The color of this text is set using inline styles.

Start and close tags don't match

strings of pearls

PRE element without CODE element inside it

Your

  /\ (`/`|| _     +
 /--\,)\,||   (||`|

        goes here

Deprecated font element

The size and face of this text is set using the font element and the size and face attributes

Frames

iframe is missing a title attribute

iframe title attribute does not describe the content or purpose of the iframe