You don't need to improve your writing. You can write extremely simply and people will vastly prefer it over slop. For example, translating your landing page into normal human language:

I built a compiler that compiles React code into vanilla JS.

Here are some examples

Vidact Start adds a bunch of server-side features - file routes, server loaders, SSR, hydration, and client navigation.

You can't use class components, createRef, most of the Children helpers, or React DevTools. Or any third-party package that ships precompiled against React's runtime.