• All color used should at least use a contrast ratio of 4.5:1 for normal text, and 3:1 for large text.
• Fonts should be easily readable, and able to be resized up to 200% without loss of functionality.

• Users must have a way to pause or stop any audio that automatically plays for more than three seconds.
• Structure your website so that content is read by a screen reader in the same way it’s presented visually.

• There needs to be more than one way to find a web page within your website.
• Keep your navigation menu placement and order consistent throughout your website.

Considered the least strict, Level A success criteria are essential for every website. If your website doesn’t conform with WCAG Level A, it may have serious accessibility issues that prevent users with disabilities from using it.

WCAG Level AA goes further toward making web content accessible for users in a wider variety of contexts. It is for this reason that most accessibility experts recommend this conformance level. As a reminder, at this conformance level, the web page and content would satisfy all Level A and Level AA success criteria.

Level AAA is the highest possible conformance level in WCAG, and as a result holds organisations to the highest standard of accessibility. At this level, the web page and content satisfy all Level A, Level AA, and Level AAA success criteria. Although level AAA may not be applicable or realistic for everyone to achieve, organisations should strive to meet as many of its criteria as possible.