WCAG 2.1: The Released in 2018 WCAG 2.1 built upon WCAG 2.0 by including the additional criteria to address the needs of people with cognitive, language, and learning disabilities as well as mobile accessibility. It provides more specific guidelines for making web content accessible to a wider audience.
Level AA: The Addresses a wider range of the accessibility barriers. The Most organizations aim to the meet this level as it balances accessibility with feasibility.
Compliance Deadline: April 24, 2026