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Knowledge base · 4 answers

UI/UX: quick answers

Research, design and accessibility.

Beginner3 min

What is a design system?

A shared library of components, styles and guidelines that keeps a product consistent and makes it faster to design and build.

Steps

  1. Define colours, type and spacing
  2. Build reusable components
  3. Document how and when to use them
  4. Keep design files and code in sync

Related: UI/UX Design

Beginner3 min

How many users do I need for a usability test?

Five users per round find most usability problems. Test, fix, then test again with five more.

Steps

  1. Pick one or two key tasks
  2. Recruit five representative users
  3. Watch and note where they struggle
  4. Fix the problems and repeat

Related: UI/UX Design

Intermediate5 min

What is WCAG and which level do I need?

The Web Content Accessibility Guidelines define how to make sites usable for people with disabilities. Level AA is what most laws and procurement teams expect.

Steps

  1. Check colour contrast
  2. Label every input and image
  3. Make everything usable by keyboard
  4. Test with a screen reader

Related: UI/UX Design

Beginner2 min

Wireframe, mockup or prototype: what is the difference?

A wireframe shows structure, a mockup shows the visual design, and a prototype is clickable so you can test the flow with real people.

Steps

  1. Wireframes for layout and content
  2. Mockups for look and feel
  3. Prototypes for testing with users
  4. Build only after testing

Related: UI/UX Design

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