Summary

react is foundational

meta frameworks for more opinions

nextjs router

edge servers

more choice in rendering patterns

react 18 is fast out of the box

react 18 removes ui jank

can upgrade to react 18 in an afternoon

the modern backend is a javascript function thanks to serverless

useEffect is for data synchronization

event handlers are for user actions

best debugging tool is knowing something well

components should not fetch their own data

the url and user auth state is all you need to know before fetching data