React.js vs Angular vs Blazor: Choosing the Right Framework for Your Web Project

When building modern web applications, React.js, Angular, and Blazor are three popular options. Each has distinct advantages and is suited for different development needs.

  • React.js is a flexible JavaScript library for building dynamic UIs.
  • Angular is a TypeScript-based full framework from Google.
  • Blazor is a C#-based framework by Microsoft for web apps running on WebAssembly.

So, how do they compare? Let’s explore!

Quick Comparison: React.js vs Angular vs Blazor

Feature

React.js ⚛

Angular 🔴

Blazor 🟣

Developed By

Meta (Facebook)

Google

Microsoft

Release Year

2013

2010

2018

Language

JavaScript, JSX

TypeScript

C#, Razor

Architecture

Component-Based

MVC

Component-Based

Rendering

Client-Side (CSR)

CSR & SSR

WebAssembly & Server-Side

Performance

High (Virtual DOM)

Moderate (Two-way binding overhead)

Slower (WebAssembly overhead)

SEO

Requires SSR (Next.js)

Good with SSR

Requires optimization

Learning Curve

Moderate

Steep

Moderate (for .NET developers)

Best For

SPAs, UI-focused apps

Enterprise apps

.NET-based apps

📌 Need flexibility? → Choose React.js
📌 Need a structured framework? → Choose Angular
📌 Already using .NET? → Choose Blazor

React.js: The Lightweight JavaScript Library

React.js is a fast and flexible UI library for building component-based applications.

Pros of React.js:

High performance due to Virtual DOM
Reusable components for efficient development
Massive community support and ecosystem

Cons of React.js:

SEO requires SSR setup (Next.js)
Requires third-party libraries for state management

💡 Used by: Facebook, Instagram, Netflix, Airbnb

Angular: The Structured Framework for Enterprise Apps

Angular is a full-fledged framework offering a structured development approach.

Pros of Angular:

Comprehensive framework with built-in tools
Good for large-scale, enterprise applications
Strong support for Server-Side Rendering (SSR) and PWAs

Cons of Angular:

Steep learning curve due to TypeScript and complex architecture
Heavier framework compared to React.js

💡 Used by: Google, Microsoft, IBM, Upwork

📖 “विद्यया विन्दतेऽमृतम्।”
“Through knowledge, one attains immortality.”

Like mastering Angular, gaining deep knowledge in a structured framework takes effort but provides long-term benefits.

Blazor: The .NET Framework for WebAssembly

Blazor allows C# developers to build web applications using WebAssembly instead of JavaScript.

Pros of Blazor:

Leverages existing C#/.NET knowledge
Runs directly in the browser via WebAssembly
Eliminates JavaScript dependencies for .NET developers

Cons of Blazor:

Slower performance due to WebAssembly overhead
Limited third-party ecosystem compared to React.js or Angular

💡 Used by: Microsoft-based applications, .NET developers

Final Verdict: Which One Should You Choose?

If You Want

Best Choice

A lightweight UI library for SPAs

⚛ React.js

A full-fledged framework for structured development

🔴 Angular

A .NET-based framework for WebAssembly

🟣 Blazor

🚀 For dynamic, UI-focused apps → Choose React.js
🏢 For large-scale, structured applications → Choose Angular
💻 For .NET-based web apps → Choose Blazor

Conclusion

Each framework serves a different purpose:

🔹 React.js is best for flexible, component-based applications.
🔹 Angular is perfect for enterprise-level, structured projects.
🔹 Blazor is ideal for .NET developers wanting WebAssembly-based web apps.