All of that is window dressing over custom elements polyfilled by document-register-element[0] and Preact[1] Its a giant SSR machine, from what I can tell. Als

All of that is window dressing over custom elements polyfilled by document-register-element[0] and Preact[1] Its a giant SSR machine, from what I can tell. Also web workers are leveraged to do alot of the heavy lifting when it can't be SSR'd [0]https://github.com/WebReflection/document-register-element https://github.com/WebReflection/document-register-element [1]https://preactjs.com/ https://preactjs.com/