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Accessible design

Designing for Accessibility: Making Digital Experiences Easier to Use

Accessibility is not a decorative layer added after a website is finished. It begins with ordinary design decisions: contrast, structure, language, focus, navigation and whether people can understand what to do next.

20 Jul 2024•7 min read
Designing for Accessibility: Making Digital Experiences Easier to Use

Accessible design is often discussed as though it serves a small group of users at the edge of a project. In reality, many of the same decisions that help disabled people also make a website easier for everybody else to understand. Clear headings, readable contrast, logical navigation and properly labelled controls reduce friction for every visitor.

The useful starting point is not a checklist of special features. It is to assume from the beginning that people will use the site in different ways: with a mouse, keyboard, touch screen, screen reader, zoomed text, reduced motion settings or simply in difficult lighting and with limited attention.

Structure should still make sense without the visual styling

A strong page has a clear hierarchy before colour or animation is added. Headings should describe the sections beneath them. Links should make sense in context. Buttons should say what they do. Important information should not depend on position, colour or an icon alone.

That structure helps assistive technology, but it also helps somebody scanning quickly on a phone. Accessibility and clarity often point in the same direction because both depend on reducing ambiguity.

Contrast and type are functional choices

  • Use text sizes that remain comfortable on smaller screens.
  • Keep sufficient contrast between text and its background.
  • Avoid long lines that make reading tiring.
  • Do not make essential information depend on very light grey text.
  • Allow text to resize without destroying the layout or hiding controls.

These decisions rarely make a design less distinctive. They simply force the identity to work within real reading conditions rather than only inside a pristine presentation file.

Keyboard access exposes weak interaction design quickly

A visitor should be able to move through interactive elements in a sensible order and see where keyboard focus currently sits. If menus, forms, popups or controls only work with a mouse, the interface is excluding people and is usually more fragile than it needs to be.

Visible focus states are therefore useful design information, not an unwanted browser effect. They show the user where they are and make the interface easier to operate without guessing.

Forms need instructions that survive mistakes

A form should make clear what information is required, what format is expected and what went wrong when validation fails. Placeholder text alone is a poor substitute for a proper label because it disappears once the field is being used.

Error messages should identify the problem in ordinary language and give the user a route to correct it. A red outline with no explanation forces the visitor to work out the problem for themselves.

Images and motion need alternatives

Meaningful images should have useful alternative text when the information would otherwise be lost. Decorative imagery can usually remain silent to assistive technology. Motion should also respect reduced motion preferences where animation is not essential to understanding the content.

The principle is simple: do not make one sensory route the only route to the information. If something matters, make sure the user can still understand it when that visual, audio or motion effect is unavailable.

Accessibility problems are still widespread

WebAIM publishes a recurring large scale review of common accessibility failures across popular home pages at https://webaim.org/projects/million. The value of that research is not a single score. It is the reminder that basic issues such as contrast, missing labels and weak document structure continue to appear across otherwise polished websites.

Accessible design is usually better design

The strongest accessibility improvements tend to make the experience quieter and more understandable. Clearer labels, stronger hierarchy, predictable controls and fewer unnecessary interactions help people with access needs while also helping hurried, distracted or inexperienced users.

That is why accessibility should sit inside the design process rather than at the end of it. It is not about making a separate version of the experience. It is about making the main experience robust enough to work for more people.