performance

• https://www.codementor.io/blog/react-optimization-5wiwjnf9hj

• https://reactjs.org/docs/optimizing-performance.html

• https://blog.logrocket.com/optimizing-performance-react-application/

User loading

• https://leanylabs.com/blog/react-pagespeed-optimizations/

• https://www.infoq.com/articles/reduce-react-load-time/