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40 results tagged performance  ✕   ✕
Grafana k6 https://k6.io/
21/05/2025 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...
  • 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...
  • 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...
  • 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 ...
  • 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...

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
  • 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...
  • 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...
  • 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...
  • boomerang : boomerang is a piece of javascript that you add to your web pages, where it measures the performance of your website from your end user's point of vie...
  • 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...

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
  • 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...
  • Fider : Fider is an open platform to collect and organize customer feedback. By using the platform, your community can share, vote and discuss on ideas they h...
  • Known : Known is a social learning platform. Create your educational community and empower students to publish work, share feedback, and communicate across so...
  • Blackfire : Blackfire Profiler automatically instruments your code to gather data about consumed server resources like memory, CPU time, and I/O. But Blackfire Pr...
  • Lemmy : Lemmy is a selfhosted social link aggregation and discussion platform. It is completely free and open, and not controlled by any company. This means t...

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
  • YSlow for PhantomJS : YSlow for PhantomJS
  • TruffleHog : TruffleHog is an open-source SAST (static application security testing) tool for detecting secrets in various sources. While GitHub and GitLab reposit...
  • tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
  • tota11y : an accessibility visualization toolkit that aims to reduce the friction of a11y testing
  • Bazel : Bazel is an open-source build and test tool similar to Make, Maven, and Gradle. It uses a human-readable, high-level build language. Bazel supports pr...

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...
  • SQL Buddy : Web based MySQL administration
  • ESBench : Shareable JavaScript Benchmarking Built-in ES2015 support, powered by Babel Statistically significant benchmarks, powered by Benchmark.js
  • 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...
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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
  • 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...
  • New Relic : New Relic’s SaaS-based Application Performance Monitoring helps you build, deploy, and maintain great web software. Also, server monitoring, and more.
  • Blackfire : Blackfire Profiler automatically instruments your code to gather data about consumed server resources like memory, CPU time, and I/O. But Blackfire Pr...
  • boomerang : boomerang is a piece of javascript that you add to your web pages, where it measures the performance of your website from your end user's point of vie...
  • Sensu : Sensu is an infrastructure and application monitoring and telemetry solution. Sensu provides a framework for monitoring infrastructure, service & appl...
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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
  • Rancher : Rancher is open source software that makes it simple for organizations to deploy a private container service and deliver Docker orchestration to users...
  • dotmesh : Dotmesh captures snapshots from stateful Docker and Kubernetes applications as ’datadots‘, and gives you the ability to label, store and share them as...
  • Packer : Packer is a tool for creating machine and container images for multiple platforms from a single source configuration.
  • Testcontainers : Testcontainers is an open source library for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about any...
  • Kitematic : Run containers through a simple, yet powerful graphical user interface.
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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...
  • 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...
  • 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...
  • ESBench : Shareable JavaScript Benchmarking Built-in ES2015 support, powered by Babel Statistically significant benchmarks, powered by Benchmark.js
  • 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...
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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
  • Subgraph Vega : Vega is an open source platform to test the security of web applications. Vega can help you find and validate SQL Injections, Cross-Site Scripting (XS...
  • SSL Server Test : This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
  • boomerang : boomerang is a piece of javascript that you add to your web pages, where it measures the performance of your website from your end user's point of vie...
  • 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...
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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...
  • Phinx : Phinx makes it ridiculously easy to manage the database migrations for your PHP app. In less than 5 minutes you can install Phinx and create your firs...
  • Phantomas : PhantomJS-based web performance metrics collector and monitoring tool
  • 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...
  • GrumPHP : Sick and tired of defending code quality over and over again? GrumPHP will do it for you! This composer plugin will register some git hooks in your pa...
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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...
  • leak-finder-for-javascript : Tool for finding memory leaks in JavaScript programs.
  • tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
  • 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 ...
  • gulp.js : The streaming build system.

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
  • 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...
  • 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.
  • 📦 Parcel : Blazing fast, zero configuration web application bundler
  • leak-finder-for-javascript : Tool for finding memory leaks in JavaScript programs.

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, ...
  • Efficient JavaScript : JavaScript performance tips article
  • 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...
  • 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...
  • HTML5 Cross Browser Polyfills : So here we're collecting all the shims, fallbacks, and polyfills in order to implant html5 functionality in browsers that don't natively support them.

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

performance reference
WebPagetest https://www.webpagetest.org/
19/11/2016 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.
  • Yellow Lab Tools : Online test to help speeding up heavy web pages
  • New Relic : New Relic’s SaaS-based Application Performance Monitoring helps you build, deploy, and maintain great web software. Also, server monitoring, and more.
  • Locust : Locust is an easy-to-use, distributed, user load testing tool. It is intended for load-testing web sites (or other systems) and figuring out how many ...
  • tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
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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...
  • Phantomas : PhantomJS-based web performance metrics collector and monitoring tool
  • PHP Insights : PHP Insights was carefully crafted to simplify the analysis of your code directly from your terminal, and is the perfect starting point to analyze the...
  • Deployer : Deployer is a deployment tool written in PHP.
  • WWW SQL Designer : WWW SQL Designer allows users to create database designs, which can be saved/loaded and exported to SQL scripts. Various databases and languages are s...
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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
  • Phantomas : PhantomJS-based web performance metrics collector and monitoring tool
  • Browser Calories : The easiest way to measure your performance budget.
  • Minimize round-trip times : An article on the best practices to apply in order to minimize HTTP round-trip times
  • SitePoint : SitePoint provides cutting-edge content for web professionals — developers, designers, programmers, freelancers and site owners.
  • Dark Patterns Library : A Dark Pattern is a type of user interface that has been carefully crafted to trick users into doing things, such as buying insurance with their purch...

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...
  • 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...
  • Web Developer : The Web Developer extension adds various web developer tools to a browser. The extension is available for Chrome, Firefox and Opera, and will run on a...
  • boomerang : boomerang is a piece of javascript that you add to your web pages, where it measures the performance of your website from your end user's point of vie...
  • Yellow Lab Tools : Online test to help speeding up heavy web pages

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
  • 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.
  • 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...
  • SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
  • 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...
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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
  • Blackfire : Blackfire Profiler automatically instruments your code to gather data about consumed server resources like memory, CPU time, and I/O. But Blackfire Pr...
  • 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...
  • SeaLion : View raw output for critical events across servers. SeaLion gives you a graphical overview of server activity. View performance of system/custom metri...
  • Sensu : Sensu is an infrastructure and application monitoring and telemetry solution. Sensu provides a framework for monitoring infrastructure, service & appl...
  • 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...
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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...
  • store.js : localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood.

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

javascript navigation library performance speed
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