I've created and am still working on my portfolio page in WASM using Flutter Web: https://dmilicic.com/
To enable WASM properly you should be on the latest Chrome version since other browsers still have some issues supporting it, otherwise, it will fallback to canvaskit renderer which is slower.
I've written about the implementation itself here if anyone is interested: https://blog.dmilicic.com/posts/writing-a-personal-website-i...