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2741 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 areas2741 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience99 Observability92 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 Architecture102 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. UI Monorepo Strategy advanced

    Eleven frontend repositories consume a design system published to a private registry. The median application is four minor versions behind and a token change takes seven weeks to reach every application. The team wants one monorepo. Give the sequence under live weekly releases, where state can diverge, the point of no return, and how long it really takes.

    3 min answer monorepodesign-systemsingle-version-policybuild-cache
  2. UI Monorepo Strategy advanced Multiple choice

    Many frontend applications share components, tooling and types. Monorepo or separate repositories?

    1 min answer monorepotoolingcoordinationversioning
  3. UI Monorepo Strategy intermediate Multiple choice

    Ten applications consume one design system and upgrades keep stalling because each app schedules them separately. Which release and consumption model keeps the total upgrade cost bounded as applications are added?

    2 min answer monorepodesign-systemsversioningcodemods
  4. UI Monorepo Strategy intermediate

    Ten frontend teams share a design system. Monorepo or separate repositories?

    1 min answer monorepotoolingatomic-changeboundaries
  5. Web Performance Budgets advanced

    A booking site enforces a performance budget in CI: the main bundle must stay under 300 KB compressed. The budget has passed on every build for a year. Field data shows the median page is 2.8 MB of JavaScript and interaction latency has doubled. Review the budget. What is wrong with it, and what would you replace it with?

    3 min answer performance-budgetthird-partyrumgovernance
  6. Web Performance Budgets intermediate

    A booking site sets a JavaScript budget. Six months later it is exceeded on every page. What was missing?

    1 min answer performance-budgetciregressionownership
  7. Web Performance Budgets advanced

    Pinterest rebuilt its mobile web experience in 2017 and reported time to interactive falling from about 23 seconds to 5.6 seconds, with the core bundle cut from roughly 650 KB to 150 KB against an old experience shipping over 2.5 MB of JavaScript. What was actually wrong, what did the rebuild change, and where would copying it be a mistake?

    3 min answer pinterestperformance-budgetjavascriptmobile-web