How Would You Optimize Bundle Size for a Video Streaming App? | Frontend Interview

Description

In this video, I discuss a common frontend interview question: How would you optimize bundle size for a video streaming app like YouTube? I walk through the problem step by step, thinking from an interview and real-world frontend perspective. Topics covered in this video: - How the first JavaScript bundle affects performance - Code splitting and lazy loading in React - Lazy loading heavy components like VideoPlayer - Tree shaking in Webpack and correct import practices - Thumbnail loading vs preview clips vs full video download - Difference between code splitting and lazy loading - Measuring bundle size using Webpack Bundle Analyzer - Critical Rendering Path (DOM, CSSOM, Render Tree) - What causes render-blocking resources This video is part of my Frontend Interview Thinking playlist, where I break down real interview questions related to React, performance, and browser internals. If you're preparing for frontend interviews or want to strengthen your performance fundamentals, this video will help you build the right mental models. Follow me on linkedin: https://www.linkedin.com/in/ruhani-makhija-729541191/