Performance Issues: Unnecessary Re-renders and Bundle Size
7/10 HighReact applications suffer from unnecessary re-renders, large bundle sizes, slow initial page loads, memory leaks, and poor mobile performance. These issues are partly inherent to client-side SPAs lacking server-side rendering or static site generation.
Sources
- Overcoming Common Pain Points in JavaScript Development: A Case Study
- React in 2025: What's Next? - Delicious Brains
- The State of React and the Community in 2025 - Mark's Dev Blog
- React.js Review: The Enduring Frontend Titan in 2025
- Common React Developer Pain Points and Their Solutions
- React JS Q&A: Top Challenges and Issues Faced by ...
- React Performance Optimization 2025: Complete Guide to Modern ...
Collection History
Libraries and frameworks like React, Angular, or Vue.js offer significant performance benefits, but also introduce new pain points
Unnecessary re-renders, Large bundle sizes, Slow initial page loads, Memory leaks, Poor mobile performance. The lack of support for them in Create React App is glaring. I've also had conversations with the React team where they directly told me that they have heard many of the external complaints about React apps having bad loading times and overall poor performance.