react-perf-utils

react-performance-testing

A library to test runtime performance in React

my-react

An experimental drop-in replacement for React without ES6 classes or "this"

timing.js

Navigation Timing API measurement helpers

browserify-persist-fs

Efficient & stable persistent filesystem cache for browserify

root-units

What you really wanted when you asked for viewport units

appmetrics.js

A small (< 1kb) library for measuring things in your web app and reporting the results to Google ...

remeasure

Get position and size attributes for any React Component

react-parm

Handle react class instances with more functional purity

react-rendered-size

Get the rendered size of a React element without needing to render it

react-idle-manager

A decorator for React components that notifies of idle and timed-out states

timenstein

A simpler way to gather user timings.

perflink-webpack

react-measure

📏 Compute measurements of a React component.

qreact

Alternative to React, same api and behavior, eg: lifecycle, vnodes data structure, smaller size. ...

reactopt

A CLI React performance optimization tool that identifies potential unnecessary re-rendering