Explore Blazor, a cutting-edge web UI framework and headline feature of .NET Core 3 and beyond, in this comprehensive conference talk. Dive into the world of building rich interactive user experiences using C# and Razor, combining the advantages of single-page app (SPA) frameworks with the power of .NET. Discover how Blazor's modern component-based architecture enables robust code reuse, leverages first-class development tools, and harnesses the full productivity of .NET. Focus primarily on Blazor WebAssembly for creating true client-side applications, progressing from basic setup to advanced features such as strongly-typed API access, testing, deployment, and offline support. Gain exclusive insights into future prototypes being developed by the Blazor team, and equip yourself with the knowledge to revolutionize your browser-based .NET app development.