The concept of universal usability is informed by several initiatives, primarily accessibility, usability, and universal design.
Accessibility
Since the World Wide Web Consortium established the Web Accessibility Initiative in 1999, the imperative of web accessibility has gained the attention of individuals, organizations, and governments worldwide. wai promotes best practices and tools that make the web accessible to people with disabilities. They also safeguard universal web access by providing expert input for development initiatives to ensure that accessible designs can be accomplished using current and future web technologies.