This book covers many different aspects of developing Blazor applications, a modern way to build rich UI web apps. It also introduces methods to leverage .NET and its eco-systems to build a modern enterprise application. It features WebAssembly and how it can be written in any programming language. The book also compares different Blazor hosting models and the strategy to select a model that suits specific business requirements. It is designed for web developers, software engineers, and tech enthusiasts looking to build robust, interactive web applications using ASP.NET Core Blazor. Using a demonstrative approach for Blazor learners, every chapter includes numerous code examples and a Blazor source code analysis. It covers basic Blazor directives and components and how these concepts can be combined together to build a more complex customized component. Master modern deployment techniques with Docker and Kubernetes. This book also explains some advanced techniques to control component rendering and improve performance. Companion files with code samples and color figures are available for downloading from the publisher(with Amazon proof of purchase). WebAssembly (abbreviated as Wasm) is a target for modern languages for compilation of more than one language, designed to be highly efficient while maintaining a safe sandbox environment.