🚀 Advanced Frontend Topics

81. What is the difference between SPA and static site?
82. What is Jamstack?
83. What is a Progressive Web App (PWA)?
84. What are service workers?
85. How do you handle offline‑first behavior?
86. What are Web Components and custom elements?
87. How do you optimize bundle size and deps?
88. What is CSS‑in‑JS and when do you use it?
89. How do you manage theming and dark mode?
90. How do you implement internationalization (i18n)?

🧠 Behavioral, Project & System Design

91. Walk me through a frontend project you built end‑to‑end.
92. Tell me about a performance bug you fixed in production.
93. Tell me about a time you improved accessibility or UX.
94. Tell me about a time you refactored a large codebase.
95. How do you work with designers and backend developers?
96. How do you handle conflicting requirements from stakeholders?
97. How would you design a dashboard‑style application?
98. How would you design a real‑time chat or notification UI?
99. How do you keep your frontend skills updated?
100. What does a well‑structured frontend architecture look like to you?

🚀 Double Tap ❤️ For Detailed Answers