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Blazor comes with three hosting models which are categorized how the App is served to the browser and interactions are handled. Microsoft ASP.Net Core team is working and releasing the preview versions of Blazor. There are three types of Hosting Models: Client side, Server side, Client Side and Server Side. These models are mostly suitable for evergreen browsers. IE11 is not supported as it does not send WebAssembly to the browsers such as IE11. The server side model application is hosted in ASP.NET Core server.