It won't require everything to be downloaded - https://www.mono-project.com/news/2018/01/16/mono-static-webassembly-compilation/ https://www.mono-project.com/ne

It won't require everything to be downloaded - https://www.mono-project.com/news/2018/01/16/mono-static-webassembly-compilation/ https://www.mono-project.com/news/2018/01/16/mono-static-web... Will it ever be as small as a systems language like Rust or C? No - never. But the productivity gains that C# & the .NET framework provide are a worthwhile tradeoff for 99% applications. The .NET team is actively working to optimize the payload to a manageable size. You haven't specified what evidence you're basing this statement on: > ".NET just isn't likely to be a good fit for the browser for high-scale applications where performance is critical." Because Javascript is a good fit? Facebook sends down 500k+ of JS and how many of their billion+ customers complain about it?