Watch React Performance Optimizations: How to Fix a Slow App Video Tutorial


Tutorial Details & Info

Tutorial Title: React Performance Optimizations: How to Fix a Slow App
Instructor / Channel: Shruti Kapoor
Lesson Runtime: 32:35 Minutes
Publish Date: January 28, 2026
Total Students / Views: 51,122 views

Master the concepts in React Performance Optimizations: How to Fix a Slow App presented by Shruti Kapoor. The total lesson runtime is 32:35 minutes with detailed practical demonstrations. Watch this video tutorial for free on any desktop PC, Mac, tablet, or smartphone.

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Course Description & Lesson Notes

Official Video Description:

Learn how to use React Performance Tracks: https://www.youtube.com/watch?v=B_w1xFbRvCg Learn essential techniques to optimize the performance of your React web app using Core Web Vitals. In this comprehensive tutorial, I'll walk you through optimizing a real Video Player component from scratch, covering everything from bundle optimization to advanced React performance patterns while actually measuring the performance improvements. *VIDEO REFERENCES* Source code: https://github.com/shrutikapoor08/videoplayer-demo 16 useEffect mistakes - https://youtu.be/yGOPO2V6MHI?si=VL1Uo5BkiqNYLXEH TanStack Start Crash Course - https://youtu.be/X2Rcp87yl4s?si=LLFHyn0zj95KBPuh Optimize LCP: https://web.dev/articles/optimize-lcp *TOOLS & COMMANDS USED:* - npx depcheck - React Profiler - React Compiler - React 19 Performance Tracks - Vite Bundle Analyzer - Chrome DevTools Performance Tab *RECOMMENDED RESOURCES* 1. React Course for beginners: https://www.oreilly.com/library/view/react-fundamentals-building/0636920981428/ 2. Practice React Interviews: https://www.greatfrontend.com/questions/js?fpr=shruti79 3. AI-Ready FullStack Developer Course: https://scrimba.com/fullstack-path-c0fullstack?via=shrutikapoor *FREE RESOURCES* 1. FREE React Interview Questions Book: https://bit.ly/free-react-guide 2. Top 5 in React and AI Every Week: https://bit.ly/shruti-newsletter *GET IN TOUCH* 1. Book a 1:1 - https://topmate.io/shrutikapoor08 2. Join our Discord: http://bit.ly/shruti-discord *SOCIALS* X / Twitter: https://twitter.com/shrutikapoor08 INSTAGRAM: https://www.instagram.com/techcreatorshrutikapoor/ TIKTOK: https://www.tiktok.com/@techcreatorshrutikapoor Web: https://shrutikapoor.dev/ Support me on Patreon: https://patreon.com/Shrutikapoor *CHAPTERS* 0:00 Intro 0:44 Current state of the app 6:21 Step 1: Bundle optimizations 9:05 Step 2: React optimizations 21:48 Step 3: Server Side Rendering 24:52 Step 4: Asset Optimizations 30:18 Final demo #react #nextjs #performance #webdevelopment Sub: 37382

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🎓 Lesson Overview & Learning Outcomes:

Welcome to the step-by-step video guide for React Performance Optimizations: How to Fix a Slow App taught by Shruti Kapoor. This tutorial provides a comprehensive walkthrough designed to take you from foundational principles to practical implementation.

💡 Key Topics Covered in This Course:

  • Core Fundamentals & Setup: Understanding the workspace, essential tools, and initial setup for React Performance Optimizations: How to Fix a Slow App.
  • Step-by-Step Practical Demonstration: Hands-on implementation guided by Shruti Kapoor with real-world examples.
  • Best Practices & Key Shortcuts: Time-saving workflows, keyboard shortcuts, and industry-standard recommendations.
  • Troubleshooting & Common Pitfalls: How to avoid common beginner errors and optimize your workflow for peak efficiency.

📋 Recommended Prerequisites & Study Notes:

No prior advanced experience is required. Follow along with the video player above on any desktop computer, tablet, or mobile device. Pause and rewind at key steps to practice along with the instructor.

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