Updates static pages in the background. ⚡ Performance Optimization Techniques
Deciding where data lives is often the hardest part of frontend design. Component-specific data (e.g., useState ). Global State: Shared data (e.g., Redux, Zustand). Server State: Cached API data (e.g., React Query, SWR). URL State: Using query params for filtering and searching. 3. Rendering Patterns Namaste Frontend System Design
Choosing how the client talks to the server is the foundation of any system. Standard, stateless, and cacheable. GraphQL: Prevents over-fetching; great for complex data. WebSockets: Essential for real-time features like chat. SSE (Server-Sent Events): Best for one-way live updates. 2. State Management Strategies Updates static pages in the background
Reusing logic across components. XSS Prevention: Sanitizing user input. CSRF Protection: Using SameSite cookies and tokens. Content Security Policy (CSP): Restricting source origins. 📋 The System Design Interview Checklist Global State: Shared data (e
How and when the HTML is generated significantly impacts SEO and User Experience (UX).
When asked to "Design a platform like YouTube or Facebook" from a frontend perspective, follow this flow: Understand the user and scale.