Accessibility is the design of products, devices, services, or environments for people with disabilities.

Accessibility is the design of products, devices, services, or environments for people with disabilities. The concept of accessible design and practice of accessible development ensures both "direct access" (i.e. unassisted) and "indirect access" meaning compatibility with a person's assistive technology (for example, computer screen readers).

Accessibility is essential for developers and organizations that want to create high quality websites and web tools, and not exclude people from using their products and services.

Web Content Accessibility Guidelines (WCAG) controls how web accessibility should be addressed.

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