Blazor vs React: Why C# Developers Are Switching (3-Minute Explainer)

Can you really build a modern web app using only C# — no JavaScript required? That's exactly what Blazor promises. But how is it actually different from React under the hood? In this 3-minute explainer, we break down: ✅ How React's Virtual DOM updates the browser using JavaScript ✅ How Blazor Server streams UI updates over a live SignalR connection ✅ How Blazor WebAssembly runs the full .NET runtime INSIDE the browser ✅ A real side-by-side code comparison: React's useState vs Blazor's @onclick ✅ A full comparison table: language, rendering model, ecosystem & ideal use cases Whether you're a JavaScript developer curious about Blazor, or a .NET developer wondering if you can skip JS entirely — this video gives you the real technical differences in under 3 minutes. ⏱️ TIMESTAMPS 0:00 Intro — Can C# replace JavaScript? 0:16 What is React? 0:45 What is Blazor? (Server vs WebAssembly) 1:31 Blazor WebAssembly Explained 1:59 Code Comparison: useState vs @onclick 2:29 React vs Blazor — Full Comparison Table 2:53 Which One Should YOU Choose? 💬 React dominates the JavaScript ecosystem. Blazor gives .NET developers a powerful way to build modern web apps using ONE language from front-end to back-end. The best choice depends on your team, your project, and what you already know. 👉 If you found this helpful, subscribe for more quick videos on C#, ASP.NET Core, and Blazor. #Blazor #React #DotNET