In this section

What is accessibility?

Good accessibility makes it simple for every user to find, use and understand content.

Accessible text

How to write simply and consider the reading order of your content.

Alt text

All charts and images must have alt text to summarise what they are and show for users who cannot see them.


Guidance for writing clear and specific hyperlink text that is accessible for all users.


Advice for making HTML charts accessible to users.


Guidance for creating accessible tables, and when to consider using a dataset or a text description instead.

Images and maps

Things to consider before using an image instead of a text description.


How to make sure diagrams are clear and accessible.


How to format and structure your dataset to work with assistive technology.