Various performance-related tools

• V8 Heap Statistics
• Performance Monitoring System for React Components
  
• sitespeed.io
  
• Million Lint
  

State of React memoization in 2023

 https://2023.stateofreact.com/en-US/features/

• 86% used useMemo()
• 85% used useCallback()
• 73% used memo()

About 12% of auditory know something about stable links in component props (via useMemo and useCallback) but need to know how to memoize functional components to use those stable links.

Tools for performance measurement (microbenchmarks)

• hyperfine
• https://www.npmjs.com/package/mitata
• https://www.npmjs.com/package/@dynatrace/zakzak
• https://jsperf.app/
• https://jsbench.me/
• https://www.npmjs.com/package/benchmark
• https://github.com/tinylibs/tinybench
• https://github.com/google/tachometer
• https://github.com/stoyan/ticr
• https://www.npmjs.com/package/0x
• https://github.com/dainis/node-gcstats