Namaste - Frontend System Design ((free))

At the core of any frontend system design is understanding how the client interacts with the server and how data flows through the application. Monolithic vs. Micro-Frontend Architecture

: Shared across multiple independent modules (e.g., user authentication, theme settings).

A production-grade architecture must protect user data, be inclusive to all users, and support global scaling. Frontend Security Checklist

Implementing modern formats and lazy loading. Namaste Frontend System Design

Most developers think system design means src/components and src/utils . That is architecture, not system design.

Protecting user data happens primarily on the client side by mitigating common vulnerabilities:

Sanitizing user inputs and utilizing Content Security Policies (CSP) to restrict where scripts can be executed from. At the core of any frontend system design

Frontend developers must be aware of security threats such as Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF). This involves sanitizing user input and handling authentication securely 0.5.1. Real-World Scenarios in System Design

Blogs, documentation sites, and marketing landing pages.

Measures user interface responsiveness. Target: under 200 milliseconds. A production-grade architecture must protect user data, be

🚨 Critical: Always show skeleton or cached data, never blank screens.

Techniques to ensure lightning-fast load times, even on low-end devices.

Protect state-changing mutations by using SameSite cookies and validating anti-CSRF tokens on the server side.

Measures loading performance. Target: under 2.5 seconds.