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40 results tagged performance  ✕   ✕
Grafana k6 https://k6.io/
21/05/2025 cluster icon
  • Lighthouse : Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authenti...
  • WebPagetest : Run a free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds. You...
  • cAdvisor : cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containe...
  • Mockoon : Mockoon is the easiest and quickest way to design and run mock APIs. No remote deployment, no account required, free and open-source.
  • Pyroscope : Pyroscope is an open source continuous profiling platform. It will help you: Find performance issues in your code Resolve issues with high CPU utiliz...

Grafana k6 is an open-source, developer-friendly, and extensible load testing tool. k6 allows you to prevent performance issues and proactively improve reliability.

load testing performance opensource
Flashlight https://github.com/bamlab/flashlight
11/07/2023 cluster icon
  • CodeceptJS : CodeceptJS is a new testing framework for end-to-end testing with WebDriver (or others). It abstracts browser interaction to simple steps that are wri...
  • Sitespeed.io : Sitespeed.io is an open source tool that helps you analyze and optimize your website speed and performance based on performance best practices. It col...
  • SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
  • Yellow Lab Tools : Online test to help speeding up heavy web pages
  • YSlow for PhantomJS : YSlow for PhantomJS

Flashlight takes inspiration from Lighthouse and gives a performance score to your Android apps (including native, React Native and Flutter). Measure performance on CLI, Flipper or via E2E tests.

android performance test
Pyroscope https://pyroscope.io/
09/02/2021 cluster icon
  • Kestra : Kestra is an open-source, event-driven orchestration platform that makes both scheduled and event-driven workflows easy. By bringing Infrastructure as...
  • Known : Known is a social learning platform. Create your educational community and empower students to publish work, share feedback, and communicate across so...
  • cAdvisor : cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containe...
  • Flyte : Flyte is an open-source, container-native, structured programming and distributed processing platform implemented in Golang. It enables highly concurr...
  • Budibase : Budibase is an open-source low-code platform for creating internal apps in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, Rest API, Docker, K8s

Pyroscope is an open source continuous profiling platform. It will help you:

  • Find performance issues in your code
  • Resolve issues with high CPU utilization
  • Understand the call tree of your application
  • Track changes over time
profiling opensource platform performance
Lighthouse https://developers.google.com/web/tools/lighthouse/
07/12/2019 cluster icon
  • Prepack : Prepack is a tool that optimizes JavaScript source code: Computations that can be done at compile-time instead of run-time get eliminated. Prepack rep...
  • YSlow for PhantomJS : YSlow for PhantomJS
  • tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
  • Gitleaks : Gitleaks is an open-source SAST (static application security testing) command line tool for detecting and preventing hardcoded secrets like passwords,...
  • tota11y : an accessibility visualization toolkit that aims to reduce the friction of a11y testing

Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.

performance accessibility pwa seo opensource test tool continuousintegration
Vitess https://vitess.io/
28/10/2018 cluster icon
  • Use The Index, Luke! : A tutorial covering SQL indexing and SQL tuning for developers: avoiding unnecessary details about database internals. SQL indexing is the most effect...
  • MySQLTuner : MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stabi...
  • Minimize round-trip times : An article on the best practices to apply in order to minimize HTTP round-trip times
  • Going from One to a Million Users : Nice write-up on techniques for scaling up a web application.
  • Nuster : Nuster is a high performance caching proxy server based on HAProxy. It is 100% compatible with HAProxy, and takes full advantage of the ACL functional...
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Vitess is a database clustering system for horizontal scaling of MySQL.

mysql performance scaling
Nuster https://github.com/jiangwenyuan/nuster
03/06/2018 cluster icon
  • Blackfire : Blackfire Profiler automatically instruments your code to gather data about consumed server resources like memory, CPU time, and I/O. But Blackfire Pr...
  • New Relic : New Relic’s SaaS-based Application Performance Monitoring helps you build, deploy, and maintain great web software. Also, server monitoring, and more.
  • Nexus Repository OSS : Give your teams a single source of truth for every component they use. Optimize build performance and reliability by caching proxies of remote reposit...
  • jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
  • extramuros : This is software for collaborative live coding. On one machine, you run an extramuros "server". Then, from as many machines as you like, you use a web...
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Nuster is a high performance caching proxy server based on HAProxy. It is 100% compatible with HAProxy, and takes full advantage of the ACL functionality of HAProxy to provide fine-grained caching policy based on the content of request, response or server status.

cache proxy server performance
cAdvisor https://github.com/google/cadvisor
28/02/2018 cluster icon
  • Lighthouse : Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authenti...
  • Kitematic : Run containers through a simple, yet powerful graphical user interface.
  • Hadolint : A smarter Dockerfile linter that helps you build best practice Docker images. The linter is parsing the Dockerfile into an AST and performs rules on t...
  • container-diff : container-diff is a tool for analyzing and comparing container images. container-diff can examine images along several different criteria, including: ...
  • Testcontainers : Testcontainers is an open source library for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about any...
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cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containers. It is a running daemon that collects, aggregates, processes, and exports information about running containers. Specifically, for each container it keeps resource isolation parameters, historical resource usage, histograms of complete historical resource usage and network statistics. This data is exported by container and machine-wide.

cAdvisor has native support for Docker containers and should support just about any other container type out of the box.

container monitoring performance docker tool opensource
wrk https://github.com/wg/wrk
19/11/2017 cluster icon
  • Siege : Siege is an http load testing and benchmarking utility. It was designed to let web developers measure their code under duress, to see how it will stan...
  • GoReplay : GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with r...
  • vegeta : Vegeta is a versatile HTTP load testing tool built out of a need to drill HTTP services with a constant request rate. It can be used both as a command...
  • ESBench : Shareable JavaScript Benchmarking Built-in ES2015 support, powered by Babel Statistically significant benchmarks, powered by Benchmark.js
  • Minimize round-trip times : An article on the best practices to apply in order to minimize HTTP round-trip times
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wrk is a modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU. It combines a multithreaded design with scalable event notification systems such as epoll and kqueue.

An optional LuaJIT script can perform HTTP request generation, response processing, and custom reporting.

performance benchmark tool http load
webhint https://webhint.io/
03/11/2017 cluster icon
  • WebPagetest : Run a free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds.
  • Sitespeed.io : Sitespeed.io is an open source tool that helps you analyze and optimize your website speed and performance based on performance best practices. It col...
  • BounCA : BounCA is a tool to manage your personal SSL certificates and authorities in a central and easy to use interfaces. It provides an easy accessible web ...
  • Pa11y : Monitor the accessibility of your websites with pa11y-dashboard, and protect against accessibility errors creeping into your codebase.
  • Burp Suite : Burp Suite is an integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the en...
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webhint is a linting tool that will help you with your site's accessibility, speed, security and more, by checking your code for best practices and common errors. Use the online scanner or the CLI to start checking your site for errors.

web staticanalysis security performance ssl test cli accessibility
PHP Performance tool https://github.com/bvanhoekelen/performance
12/05/2017 cluster icon
  • php-pm : PPM is a process manager, supercharger and load balancer for PHP applications. It's based on ReactPHP and works best with applications that use reques...
  • Pre : Pre is a PHP preprocessor, designed to make adding new syntax effortless. It's also a collection of pre-built macros, which we use because they make o...
  • Browsershot : This PHP package can convert a webpage to an image or pdf. The conversion is done behind the scenes by Puppeteer which controls a headless version of ...
  • PhpMetrics : PhpMetrics provides various metrics about PHP projects. PhpMetrics is designed to be understable and easy to use. Thanks to d3js, it will scores your ...
  • cAdvisor : cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containe...
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PHP performance tool analyse your script on time, memory usage and db query. Support Laravel and Composer for web, web console and command line interfaces.

php performance tool
ESBench https://esbench.com/
04/05/2017 cluster icon
  • Prepack : Prepack is a tool that optimizes JavaScript source code: Computations that can be done at compile-time instead of run-time get eliminated. Prepack rep...
  • wrk : wrk is a modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU. It combines a multithreaded design ...
  • tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
  • leak-finder-for-javascript : Tool for finding memory leaks in JavaScript programs.
  • The Coach : The coach helps you find performance problems on your web page. Think of the coach as a modern version of YSlow. The coach will give advice of how you...

Shareable JavaScript Benchmarking

  • Built-in ES2015 support, powered by Babel
  • Statistically significant benchmarks, powered by Benchmark.js
javascript performance benchmark tool
Prepack https://prepack.io/
04/05/2017 cluster icon
  • 📦 Parcel : Blazing fast, zero configuration web application bundler
  • cAdvisor : cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containe...
  • tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
  • Babel : Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
  • Botpress : Botpress is an open-source bot creation tool written in Javascript. It is powered by a rich set of open-source modules built by the community. We like...

Prepack is a tool that optimizes JavaScript source code: Computations that can be done at compile-time instead of run-time get eliminated. Prepack replaces the global code of a JavaScript bundle with equivalent code that is a simple sequence of assignments. This gets rid of most intermediate computations and object allocations.

javascript compiler performance tool opensource
Software Performance & Scalability: A Cheatsheet https://synisma.neocities.org/perf_scale_cheatsheet.pdf
03/05/2017 cluster icon
  • High Performance Browser Networking : Performance is a feature. This book provides a hands-on overview of what every web developer needs to know about the various types of networks (WiFi, ...
  • Use The Index, Luke! : A tutorial covering SQL indexing and SQL tuning for developers: avoiding unnecessary details about database internals. SQL indexing is the most effect...
  • Efficient JavaScript : JavaScript performance tips article
  • HTTP API design : This guide describes a set of HTTP+JSON API design practices, originally extracted from work on the Heroku Platform API.
  • Security Guide for Developers : A practical security guide for web developers.

Cheatsheet list of techniques and patterns for maximizing software performance and scalability

performance reference
WebPagetest https://www.webpagetest.org/
19/11/2016 cluster icon
  • Yellow Lab Tools : Online test to help speeding up heavy web pages
  • WebPagetest : Run a free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds.
  • Wappalyzer : Wappalyzer is a cross-platform utility that uncovers the technologies used on websites. It detects content management systems, ecommerce platforms, we...
  • vegeta : Vegeta is a versatile HTTP load testing tool built out of a need to drill HTTP services with a constant request rate. It can be used both as a command...
  • Siege : Siege is an http load testing and benchmarking utility. It was designed to let web developers measure their code under duress, to see how it will stan...
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Run a free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds. You can run simple tests or perform advanced testing including multi-step transactions, video capture, content blocking and much more. Your results will provide rich diagnostic information including resource loading waterfall charts, Page Speed optimization checks and suggestions for improvements.

website load performance test service
php-pm https://github.com/php-pm/php-pm
12/11/2016 cluster icon
  • PHP Performance tool : PHP performance tool analyse your script on time, memory usage and db query. Support Laravel and Composer for web, web console and command line interf...
  • Kint : Kint for PHP is a tool designed to present your debugging data in the absolutely best way possible. In other words, it’s var_dump() and debug_backtrac...
  • asdf : Extendable version manager with support for Ruby, Node.js, Elixir, Erlang & more
  • YSlow for PhantomJS : YSlow for PhantomJS
  • Selenium Webdriver bindings for PHP : This PHP library allows creating functional webdriver tests with PHP.
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PPM is a process manager, supercharger and load balancer for PHP applications.
It's based on ReactPHP and works best with applications that use request-response frameworks like Symfony's HTTPKernel. The approach of this is to kill the expensive bootstrap of PHP (declaring symbols, loading/parsing files) and the bootstrap of feature-rich frameworks. See Performance section for a quick hint. PHP-PM basically spawns several PHP instances as worker bootstraping your application (eg. the whole Symfony Kernel) and hold it in the memory to be prepared for every incoming request: This is why PHP-PM makes your application so fast.

php performance tool loadbalancer subprocess
High Performance Browser Networking https://hpbn.co/
06/07/2016 cluster icon
  • WebPlatform.org : Web Platform Docs is a community-driven site that aims to become a comprehensive and authoritative source for web developer documentation.
  • Yellow Lab Tools : Online test to help speeding up heavy web pages
  • SPOF-O-Matic : Chrome extension for detecting and simulating frontend Single Points Of Failure. Detects likely third-party single points of failure as you browse and...
  • Explorer Exposed! : These CSS bugs are all found only in Internet Explorer, versions 5 and higher. To see the demos properly, they must be viewed in IE, of course.
  • Let's make the web faster : There are many ways to make websites run faster. In this section, you can discover performance best practices that real web professionals employ in th...

Performance is a feature. This book provides a hands-on overview of what every web developer needs to know about the various types of networks (WiFi, 3G/4G), transport protocols (UDP, TCP, and TLS), application protocols (HTTP/1.1, HTTP/2), and APIs available in the browser (XHR, WebSocket, WebRTC, and more) to deliver the best—fast, reliable, and resilient—user experience.

web performance reference
Browser Calories https://browserdiet.com/calories/
09/06/2016 cluster icon
  • SPOF-O-Matic : Chrome extension for detecting and simulating frontend Single Points Of Failure. Detects likely third-party single points of failure as you browse and...
  • Yellow Lab Tools : Online test to help speeding up heavy web pages
  • webhint : webhint is a linting tool that will help you with your site's accessibility, speed, security and more, by checking your code for best practices and co...
  • WebPagetest : Run a free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds.
  • History of the browser user-agent string : History of the browser user-agent string

The easiest way to measure your performance budget.

web frontend performance browser extension
The Coach https://github.com/sitespeedio/coach
19/05/2016 cluster icon
  • YSlow for PhantomJS : YSlow for PhantomJS
  • Lighthouse : Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authenti...
  • SPOF-O-Matic : Chrome extension for detecting and simulating frontend Single Points Of Failure. Detects likely third-party single points of failure as you browse and...
  • Phantomas : PhantomJS-based web performance metrics collector and monitoring tool
  • SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
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The coach helps you find performance problems on your web page. Think of the coach as a modern version of YSlow. The coach will give advice of how your page can be faster.

web performance test tool
New Relic https://newrelic.com/
11/05/2016 cluster icon
  • WebPagetest : Run a free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds. You...
  • healthchecks.io : Cron Monitoring. Get Notified When Your Cron Jobs Fail. Make a HTTP GET request to this address from your cron job, daemon, script or long running tas...
  • Yellow Lab Tools : Online test to help speeding up heavy web pages
  • Report URI : Report URI was founded to take the pain out of monitoring security policies like CSP and HPKP. When you can easily monitor what's happening on your si...
  • Laravel Health Panel : This package checks if the application resources are running as they should and creates a service status panel. It has the following main points: Hig...
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New Relic’s SaaS-based Application Performance Monitoring helps you build, deploy, and maintain great web software.
Also, server monitoring, and more.

server monitoring service performance
SPF https://youtube.github.io/spfjs/
02/12/2015 cluster icon
  • InstantClick : InstantClick is a JavaScript library that dramatically speeds up your website, making navigation effectively instant in most cases.
  • jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
  • RequireJS : RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino ...
  • Head JS : Load scripts like images. Use HTML5 and CSS3 safely. Target CSS for different screens, paths, states and browsers. Make it the only script in your HEA...
  • The Dojo Toolkit : Dojo saves you time and scales with your development process, using web standards as its platform. It’s the toolkit experienced developers turn to for...

A lightweight JS framework for fast navigation and page updates from YouTube

javascript navigation library performance speed
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