speed-test - Test your internet connection speed and ping using speedtest.net from the CLI

•    Javascript

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Test your internet connection speed and ping using speedtest.net from the CLI

cli-app cli speed test tester speed-test speedtest connection internet bandwidth ping measure check

fast-cli - Test your download speed using fast.com

•    Javascript

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Test your download speed using fast.com

cli-app cli speed test fast tester down download speed-test speedtest connection internet bandwidth measure check mbps

psi - PageSpeed Insights with reporting

•    Javascript

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Run mobile and desktop performance tests for your deployed site using Google PageSpeed Insights V2 with tidy reporting for your build process. As of PSI 2.x, we expose both the PageSpeed Insights speed and usability scores. The latter is based on usability rules that score a page based on factors like the presence of a sensible mobile viewport.

pagespeed insights speed page website measure optimize size

tmi - TMI (Too Many Images) - discover your image weight on the web

•    Javascript

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Find out the image weight in your pages, compare to the BigQuery quantiles and discover what images you can optimize further. Verbose mode will show you a detailed summary of which images needs improving.

cli-app cli image images weight image-weight size pagespeed insights speed page website measure optimize

marky - High-resolution JavaScript timer based on performance.mark/measure (461 bytes min+gz)

•    Javascript

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JavaScript timer based on performance.mark() and performance.measure(), providing high-resolution timings as well as nice Dev Tools visualizations. For browsers that don't support performance.mark(), it falls back to performance.now() or Date.now(). In Node, it uses process.hrtime().

mark measure performance user-timing timing polyfill stopwatch timer

appmetrics

•    Javascript

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A small (803 bytes gzipped) library for measuring things in your web app, annotating the DevTools timeline, and reporting the results to Google Analytics. If you chose to send metrics to Google Analytics, values will show up its UI. See below.

metrics appmetrics google-analytics user-timing lib analytics reporting measure measurement instrument

Hyperion-Android - App Debugging & Inspection Tool for Android

•    Java

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Hyperion is a hidden plugin drawer that can easily be integrated into any app. The drawer sits discreetly 🙊 under the app so that it is there when you need it and out of the way when you don't. Hyperion plugins are designed to make inspection of your app quick and simple. Please see our annoucement blog post for a feature showcase.

design review hyperion android debug drawer library measure inspect

Hyperion-iOS - In-app design review tool to inspect measurements, attributes, and animations.

•    Objective-C

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If you like what you see, there's more where that came from. The View Inspector plugin allows you to inspect the properties of any view live within the app.

design review hyperion ios debug drawer framework library measure inspect slow animations

justgage - JustGage is a handy JavaScript plugin for generating and animating nice & clean dashboard gauges

•    Javascript

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JustGage is a handy JavaScript plugin for generating and animating nice & clean gauges. It is based on Raphaël library for vector drawing, so it’s completely resolution independent and self-adjusting.

gauge meter clean simple minimal svg vector performance indicator measure dashboard plugin

time-grunt - Display the elapsed execution time of grunt tasks

•    Javascript

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The watch task and tasks that take less than 1% of the total time are hidden to reduce clutter.Run grunt with grunt --verbose to see all tasks.

grunt tasks measure time profile stat stats perf performance

slow-deps - 🐌 Measure which dependencies in a project are slowest to npm install

•    Javascript

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CLI to measure which dependencies in a project are the slowest to npm install. Run this in a directory with a package.json, and it will take all the dependencies, devDependencies, and optionalDependencies, then npm install each one in a temporary directory with a temporary cache, then measure the install times. Each dependency is then listed from slowest to fastest.

slow dependencies measure npm install

maker.js - Library for creating 2D vector drawings for CNC and laser cutter machines.

•    Javascript

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Maker.js, a Microsoft Garage project, is a JavaScript library for creating and sharing modular line drawings for CNC and laser cutters.

maker cad draw cnc vector svg pdf dxf drawing fonts geometry bezier openjscad rectangle circle line arc laser 2d 3d openscad point points path model triangle outline quadratic cubic curve ellipse polygon square star dome bolt holes oval belt ring slot kerf shape font trigonometry boolean chain distort dogbone fillet intsersect intsersection measure mirror rotate scale stl plasma cutter water-jet

QuickBencher

•    

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QuickBencher is an easy to use library for .Net developers who wants to run performance benchmarks from within their code.

benchmark measure performance

Units of Measure

•    

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Simple solution to cope with units of measure in C# applications. You can develop your own unit system, be it SI-based or anything else that suits your needs.

measure units-of-measure

js-quantities - JavaScript library for quantity calculation and unit conversion

•    Javascript

---

JS-quantities is originally a JavaScript port of Kevin Olbrich's library Ruby Units (http://github.com/olbrich/ruby-units). The library aims to simplify the handling of units for scientific calculations involving quantities.

units measure temperature quantity quantities conversion physical measurement unit parser metric imperial convert parse

length.js - 📏 JavaScript library for length units conversion.

•    Javascript

---

Length.js was designed to work both in the browser and in Node.js. Length.js is available on unpkg CDN in compressed and uncompressed version.

javascript-library library converter conversion utility npm npm-package open-source measure measurements units convert parser metrics quantities quantity units-of-measure units-of-measurement units-measures-converter length conventer distance

speed-measure-webpack-plugin - ⏱ See how fast (or not) your plugins and loaders are, so you can optimise your builds

•    Javascript

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The first step to optimising your webpack build speed, is to know where to focus your attention. SMP follows semver. If upgrading a major version, you can consult the migration guide.

webpack speed stats plugin measure timer

latenz - JavaScript HTTP latency analyzer

•    Javascript

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Measure response latency when requesting a web host.

nodejs latency network benchmark measure ping status updown response performance test

text-width - Measure the text width in browsers

•    Javascript

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A small utility for measuring the text width in browsers that support the canvas API.Install through npm and require it with browserify. It uses the ctx.measureText method for acquiring the text width.

measure text width canvas context 2d

time-span - Simplified high resolution timing

•    Javascript

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Milliseconds.Milliseconds rounded.

time span elapsed process hrtime highres timing perf performance bench benchmark profiling measure seconds milliseconds nanoseconds