Speed Packages

Test local site performance and show the result in the browser or a pdf file

A wrapper around fidm/quic, node-quic is a dead simple stream based QUIC server / client for use in node.js.

测算网速的JS库，采用ES6语法和Promise风格编码，通过img加载/AJAX/downlink等方式测算网速

Record Wi-Fi speed

A simple and fast redis based queue

Feels allow you to calculate apparent temperature using heat index, approximate wet-bulb globe temperature, humidex, australian apparent temperature and wind chill.

Dataset from Michelson's speed of light measurements in 1879.

Spawn node.js programs with the speed of thought

Compute the big O runtime of an algorithm

Easy bechmark framework for Javascript code

A basic English command-line typing speed test. Save your results and use the analysis function periodically to follow your growth.

Fuzzy search library with a focus on speed and memory efficiency.

speed converter

Test your download and upload speed using Spectrum's speed test

a stopwatch for all your time-measuring needs

Browser instrumentation helper that makes it easier to capture UX speed metrics

Performance testing library

A lightweight JavaScript event emitter.

Litespeed.js view component that adds a copy button to your element text content or input element value.

Litespeed.js view component that adds a word counter to your input elements.