What is WCAG conformance?
Many governments around the world legislate WCAG standards to make online services accessible to everyone. This is because having a website that can’t be accessed by someone with a vision, hearing, cognitive, or mobility disability can violate local discrimination laws by preventing equal access.
Creating a website or app that is compliant with WCAG standards is known as ‘WCAG conformance’. There are three levels of conformance, each with different success criteria. They are:
Level A conformance
This is the minimum standard. Level A addresses basic considerations such as providing captions for prerecorded video content, providing alt-text for images, using contrasting colours for visibility and allowing keyboard-only navigation.
Level AA conformance
Building on Level A, Level AA conformance is the next step up and is generally the most recommended. Many government agencies and private companies such as banks need to follow Level AA standards or above. It’s not accessible to everyone, but sets a higher standard for digital accessibility.
Level AA conformance improves navigation and makes it easier for people to find or focus on what they need. It also sets standards for video captions and audio descriptions.
Level AAA conformance
Level AAA conformance is the highest achievable standard of WCAG conformance. It sets extra criteria to achieve on top of Level A and Level AA, such as being optimised for assistive technology, providing a range of alternatives for all multimedia and simplifying complex information.