Client vs Server Responsibilities Explained for Full-Stack Developers
Client vs Server Responsibilities One of the biggest confusions beginners face in full-stack development is: “What should happen in the frontend, and what should happen in the backend?” This confusion creates problems like: Exposing secret keys in frontend code Slow applications Poor security Bad architecture decisions Confusing project structure To become a strong full-stack developer, you must clearly understand: What is the client’s responsibility? What is the server’s responsibility? This blog will make that crystal clear. Before Understanding Client & Server, Understand the Problem Imagine the early web. A browser requests a webpage: GET /index.html Server sends HTML. Done. But modern applications became much more complex: User logins Payments Real-time chats Dashboards Social media feeds File uploads Notifications Now the question became: Where should this logic run? Should everything happen: In the browser? On the server? ...
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