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Quiz

2707 questions of the kind that actually get asked — in interviews, in architecture review boards, and by the person who has to run the thing at 3 AM. Every answer states the trade-off rather than the slogan, and says when the obvious choice is the wrong one.

All areas2707 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 AI-Era Architecture96 Software Architecture & Engineering84 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture90 Data Platform Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

91 questions in Frontend & Experience Architecture.

  1. Core Web Vitals intermediate

    You want a 2.5 second largest contentful paint at the 75th percentile on mid-range Android over a typical mobile connection. Roughly how much JavaScript can you ship on the critical path, and which assumption dominates the error?

    3 min answer core-web-vitalsperformance-budgetjavascriptmobile
  2. Design Systems intermediate

    A design system exists, is well built, and teams keep building their own components anyway. What is the diagnosis?

    1 min answer design-systemsadoptionapi-designgovernance
  3. Design Systems intermediate

    A design system is adopted and product teams still build their own components. What is the diagnosis?

    2 min answer postmandesign-systemadoptionescape-hatch
  4. Design Systems intermediate

    Three product teams have forked the design system to meet deadlines. Components have diverged. How do you recover?

    2 min answer design-systemadoptiongovernance
  5. Design Systems beginner Multiple choice

    Two applications in the same company ship what should be the same primary button, and after a rebrand the shades differ by one step. A third application's button is the old colour entirely. What is the underlying cause, and which change prevents recurrence?

    3 min answer design-tokensdesign-systemsdriftgovernance
  6. Design Systems intermediate

    Your design system is used by three of eleven applications. The other eight built their own components. What do you do?

    2 min answer design-systemadoptionfrontendplatform
  7. Edge Rendering advanced

    A frontend platform runs functions at the edge for personalisation but must read user data that lives in one region. Which computations genuinely belong at the edge, and when does "edge" make debugging and consistency worse?

    3 min answer verceledge-functionspersonalisationlatency
  8. Edge Rendering advanced

    A platform can render at the edge, close to the user. Which workloads benefit, and which become harder?

    2 min answer verceledgelatencystate
  9. Edge Rendering advanced

    Design personalised page delivery at the edge for a global site. What can move to the edge, and what must not?

    1 min answer edgepersonalisationlatencycaching
  10. Edge Rendering advanced

    Marketing wants personalised content on pages currently cached at the edge with a 24-hour TTL. How do you preserve performance?

    2 min answer edgecachingpersonalisation
  11. Edge Rendering advanced

    Marketing wants personalised content on pages currently cached at the edge with a 24-hour TTL. Preserve the performance.

    2 min answer cdnpersonalisationcachingcomposition
  12. Frontend & Experience Architecture advanced

    A browser-based design tool must render complex documents at sixty frames per second while several people edit simultaneously. What does that force in the client architecture?

    2 min answer frontendcanvaswasmperformance