What you need to know
Accessible design supports keyboard, screen-reader, zoom, and varied-input users. It can also clarify pages for everyone through better structure, labels, contrast, and error recovery.
How to apply it
Use semantic HTML, visible focus, labeled forms, sufficient contrast, useful text alternatives, and keyboard testing. Include disabled people in reviews where possible.
Common mistake to avoid
Automated scans cannot confirm every interaction. Combine tools with manual checks and real user feedback.