The blog is sooo good! I enjoyed every single paragraph when reading it.

If you're confused about the last part where it mentioned where useMemo and useCallback can help when passing props, I completely understand after reading Kent C Dodds block and Dan Abramov.

Further, I learned a lot by taking interactive course from Dan Abramov in https://justjavascript.com

Highly recommended! good read!!

https://kentcdodds.com/blog/usememo-and-usecallback https://overreacted.io/a-complete-guide-to-useeffect/