Looks nice. If you are planning to expand this, I would be interested in a comparison of the different toolchains (e.g. Emscripten vs. Go vs. Rust). Currently,

Looks nice. If you are planning to expand this, I would be interested in a comparison of the different toolchains (e.g. Emscripten vs. Go vs. Rust). Currently, I would choose the toolkit of my favorite language, but I have no idea what kind of consequences such a choice has.