UI/UX Designer question bank
100 questions. Filter by level and skill, track what you've solved, and see how many people get each one right.
- Making the primary action stand out
- Minimum contrast for body text
- Why start with low-fidelity wireframes
- Comfortable tap target size on mobile
- A participant gets stuck during testing
- What makes a persona useful
- Too many choices slow users down
- Confusing form labels
- Fitts's law
- Jakob's law
- Showing what is clickable
- A silent video upload
- Return date before departure
- Recognition over recall
- A swipe nobody finds
- Open card sorting
- Testing a menu structure
- Qualitative or quantitative
- Avoiding leading questions
- What a journey map shows
- Wireframe, mockup or prototype
- Why use auto layout
- Component variants
- An 8-point spacing system
- Comfortable line length
- Using a type scale
- Contrast for large text
- Alt text for a decorative image
- Removing focus outlines
- Placeholder instead of a label
- A useful empty state
- Skeleton screen or spinner
- A guilt-tripping decline link
- Labelling a button
- How many users for a usability test
- What design tokens solve
- Writing a helpful form error
- Reading an early A/B test result
- Jobs to be Done framing
- Research for a navigation redesign
- Status shown only by colour
- Effective developer handoff
- WCAG 2.2 target size minimum
- Focus hidden by a sticky bar
- Drag-only reordering
- Blocking paste in password fields
- Typing the same address twice
- Focus in a modal dialog
- Icon-only buttons
- Reading a SUS score
- The HEART framework
- Is more time good
- Moderated or unmoderated testing
- When to use a diary study
- Fixing a survey question
- Making sense of research notes
- Primitive or semantic tokens
- Light and dark mode in Figma
- When to show validation errors
- Too many settings on one screen
- Undo or confirm
- A payment error in a toast
- Designing dark mode
- A wide table on mobile
- Copy the competitor
- Giving useful critique
- Design too costly to build
- Infinite scroll or pagination
- The CEO wants a carousel
- Interviews and analytics disagree
- Asked to hide the cancel button
- Teams ignore the design system
- Prioritising usability findings
- Measuring an onboarding redesign
- Accessibility blocker before launch
- Designing for low-end phones
- A brand button that fails contrast
- Text over a photo
- Sample size for a usability benchmark
- Feedback only from power users
- What caused the lift
- An early spike after launch
- Wins on mobile, loses on desktop
- A team needs a missing component
- Changing a widely used component
- Errors on a long form
- Announcing a cart update
- Motion and vestibular disorders
- A red and green chart
- Preparing for German and Arabic
- A pre-ticked consent box
- The buyer is not the user
- Limits of heuristic evaluation
- They liked it but failed
- Designing an AI summary feature
- Sign-up form drop-off
- Forced account creation
- Swipe-only actions
- Visible label and accessible name
- Consent for research recordings