Tech Insights

WCAG 2.1 AA

Last updated May 19, 2025, generated by Sumble

What is WCAG 2.1 AA?

WCAG 2.1 AA refers to Level AA conformance to the Web Content Accessibility Guidelines (WCAG) version 2.1. These guidelines are developed by the World Wide Web Consortium (W3C) as part of the Web Accessibility Initiative (WAI). WCAG 2.1 AA is a widely recognized benchmark for web accessibility, meaning content is perceivable, operable, understandable, and robust for a wide range of users, including those with disabilities. Achieving WCAG 2.1 AA compliance involves implementing specific success criteria related to text alternatives, keyboard navigation, sufficient color contrast, clear and simple language, and other factors that ensure an accessible user experience.

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What other technologies are related to WCAG 2.1 AA?

WCAG 2.1 AA Complementary Technologies

CSS

CSS is used to style content, and can affect accessibility by controlling visual aspects such as contrast and font sizes.

mentioned alongside WCAG 2.1 AA in 0% (119) of relevant job posts

HTML

HTML provides the structure and semantics necessary for accessible content, such as headings, lists, and landmarks.

mentioned alongside WCAG 2.1 AA in 0% (99) of relevant job posts

JavaScript

JavaScript is often used to enhance the accessibility of web content, for example providing dynamic updates or richer controls that are more accessible.

mentioned alongside WCAG 2.1 AA in 0% (104) of relevant job posts