Web Accessibility
Designing websites so people with disabilities can perceive and use them.
Web accessibility means designing and building websites so people with disabilities can perceive, understand, navigate, and contribute to them. Accessibility also improves use in changing conditions, including small screens, bright light, temporary injury, or limited bandwidth. Standards describe testable requirements, while user testing reveals barriers automated checks may miss.
Use semantic headings and landmarks, label form controls, support keyboard operation with visible focus, provide text alternatives for meaningful images, and maintain sufficient contrast. Captions and transcripts make audio and video content available in more situations. Test zoom and reflow, and avoid conveying meaning by color alone.
Automated checks can catch some missing labels, contrast issues, and structural problems, but cannot determine whether a workflow makes sense to a screen-reader user. Test with keyboard navigation and assistive technologies, include disabled people in design and review, and fix barriers early. Applicable legal requirements differ by place and service.
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