Accessibility is part of interface quality, not an extra check immediately before release. People read, navigate and enter information in different ways. Design should therefore support completion of a task without relying on one particular form of interaction or a perfect viewing environment.

Start with a clear content structure. Meaningful headings, understandable links and concise instructions make information easier to find. Link text should explain its destination, while an image description should convey important information when the photograph has a genuine content role.

Review readability and contrast in visual design. Colour should not be the only way to communicate an error or active state. Adequate spacing, clear labels and recognisable controls help visitors understand what they can do and what has changed after an action.

Forms need persistent labels and specific error messages. Users should know which field needs correction and how to fix it. A message that merely says something is invalid is insufficient, particularly when previously entered information disappears and the person has to start again.

Check key journeys with a keyboard and assistive technology. Focus must be visible, its order meaningful, and menus and dialogs usable without a mouse. Automated checks can help identify issues, but they cannot replace completing a real user task and examining the experience.

Include these rules in the design system and editorial guidance. New components and publications can then follow an established foundation. Regular review of content, interactions and added features helps maintain accessibility as the product changes, rather than treating it as a one-time delivery milestone.