WCAG 2.1 was published in its final form in June 2018. WCAG 2.1 is an extension to WCAG 2.0 that provides guidance to better address some of the needs of people with disabilities accessing content on mobile devices, people with low vision, and people with cognitive or learning disabilities.
The Web Content Accessibility Guidelines (WCAG) are an initiative of the World Wide Web Consortium (W3C) and define criteria websites must meet to be considered more accessible for people with disabilities.
WCAG 1.0 came out in 1999 and was organised as a set of 14 guidelines that had checkpoints with a priority of 1, 2, or 3. Accessibility could be determined by assessing conformance with the checkpoints.
This was a major step forward for web accessibility, but WCAG 1.0 showed some limitations as web technology, assistive technology and the way web pages were created rapidly evolved.
WCAG 2.0 was released in 2008, and was a complete rewrite, incorporating all the aims of version 1.0 but structured according to four over-arching Principles: that content must be Perceivable, Operable,... read more