Understanding where Blazor WASM fits in the frontend framework landscape helps you make the right architectural choice.

Blazor WASM vs React and Vue and Angular

• Language — Blazor uses C#; the others use JavaScript/TypeScript
• Ecosystem — JS frameworks have vastly larger ecosystems and npm packages; Blazor leverages NuGet
• Full-stack sharing — Blazor uniquely shares C# models and logic between client and server
• Team fit — If your team is .NET-first, Blazor eliminates the context switch to JavaScript
• Performance — Modern JS frameworks are faster to first paint; Blazor WASM has a larger initial download

When to Choose Blazor WASM

• .NET team wanting to avoid JavaScript for frontend work
• Apps needing offline or PWA capability
• Heavy client-side computation
• Shared domain model between client and server is critical

When to Avoid Blazor WASM

• SEO-critical public sites with no pre-rendering setup
• Very tight first-load budgets on low-bandwidth connections
• Large JS library integrations requiring extensive interop

Reference:

Wikipedia: Blazor

https://en.wikipedia.org/wiki/Blazor