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CSharpWasmBenchmark
Comparing the performances of C# Runtime, C# Wasm AOT, C# Wasm Interpreted and JavaScript.
This isn't exactly true. Leptos is a WASM driven framework for Rust, https://github.com/leptos-rs/leptos, and it performs quite well https://krausest.github.io/js-framework-benchmark/current.html. Blazor itself is extremely slow vs anything else as it is literally dead last. I'm guessing the VM in Blazor is the root cause for poor performance.
There are also some F# frameworks built on top of ASP.NET core like https://giraffe.wiki
The performance issues are not related to just the DOM and other browser APIs. See https://csharp-wasm-benchmark.acmion.com/ for some simple benchmarks.
Try visit this from your phone: https://try.mudblazor.com/