User-centric, clear, and coherent design are some of the most important features your web and mobile applications should offer and so is the accessibility in user interface design. Designing for accessibility enables users with disabilities such as visual or hearing impairments to seamlessly understand, engage and navigate through the website. Therefore, every designer should learn about the significance of accessibility design guidelines.
What is accessibility and types of accessibility issues.
Why accessibility matters in website design? Top things to consider.
W3C WAI standards for designing for accessibilities. Learn all about it here.