How to Build Scalable Web Apps with React JS - SitePoint
Briefly

The article emphasizes the importance of scalability in applications, defining it as the ability to handle increased users, data, or features without impacting performance. It identifies three pillars essential for building scalable web applications: performance, maintainability, and flexibility. Performance ensures the app remains responsive, maintainability prevents technical debt through clear code practices, and flexibility allows the app to adapt to changes. Additionally, it highlights React as an ideal framework for scalability, thanks to features like its Virtual DOM, component-based design, and efficient data management, which collectively enhance scalability in real-world applications like Facebook, Netflix, and Airbnb.
Scalability isn't just a buzzword - it's crucial for any application's survival. It's your application's ability to handle more users, data, or features without performance degradation.
Building a scalable web application rests on three fundamental pillars: Performance, Maintainability, and Flexibility. These pillars are interconnected.
React, introduced by Facebook in 2011, revolutionized UI development. Its Virtual DOM, component-based design, and unidirectional data flow make it an excellent choice for scaling complexity and size.
React achieves performance by minimizing expensive direct DOM operations, maintainability by encouraging reusable, responsible components, and flexibility through declarative components that adapt to new requirements.
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