1272 Open source projects that are alternatives of or similar to Performance Bookmarklet

Responsive, SVG based HAR waterfall viewer

前端性能指标的监控,采集以及上报。用于测量第一个dom生成的时间(FP/FCP/LCP)、用户最早可操作时间（fid|tti）和组件的生命周期性能,，网络状况以及资源大小等等。向监控后台报告实际用户测量值。

Progressive web metrics at your fingertipz

Performance Analyzer

displays the import size of the package you are importing inside the code editor

AutoWebPerf provides a flexible and scalable framework for running web performance audits with arbitrary audit tools including PageSpeedInsights, WebPageTest and more.

"SQIP" (pronounced \skwɪb\ like the non-magical folk of magical descent) is a SVG-based LQIP technique.

Discoveries on Sustainable Loading research

Do you find web animations distracting? Togglific provides a distraction-free web experience!

DEPRECATED - See Elastic APM instead: https://github.com/elastic/apm-agent-nodejs

🎮 The only Front-End Performance Checklist that runs faster than the others

Curated resources that help you build lightning fast websites

Navigation Timing

🎮 더 빠르게 작동하는 프론트엔드 성능 체크리스트

Performance Metrics for Web Browsers

⛵️Junit performance rely on junit5 and jdk8+.(java 性能测试框架)

Run Lighthouse analysis over multiple sites in a single command

Perfromance budget plugin for Webpack (https://webpack.js.org/)

A fast, flexible, and small SEO-friendly lazy loader.

An open source utility library for measuring React component render times.

Scouter is an open source APM (Application Performance Management) tool.

High performance Java APM. Powered by ASM. Try it. Test it. If you feel its better, use it.

Collect performance metrics for your library/application.

Make optimisation of images part of your automated build process

Qubole Sparklens tool for performance tuning Apache Spark

Sitespeed.io is an open source tool that helps you monitor, analyze and optimize your website speed and performance, based on performance best practices advices from the coach and collecting browser metrics using the Navigation Timing API, User Timings and Visual Metrics (FirstVisualChange, SpeedIndex & LastVisualChange).

⏱ PHP performance tool analyser your script on time, memory usage and db query. Support Laravel and Composer for web, web console and command line interfaces.

inspectIT is the leading Open Source APM (Application Performance Management) tool for analyzing your Java (EE) applications.

Sysbench Dockerfiles and Scripts for VM and Container benchmarking MySQL

Use Pull Request description as Squashed and Merged commit messages.

Track when your users get your HTTP requests

Tiny vanilla JS plugin to display large data sets easily

Low-latency WebSocket Server

一个高性能,可靠,异步的本地持久化队列实现；重启JVM、重启服务器、或者强制KILL进程时,队列里的数据不丢失；

APM Server

💥 Middlewares / Relay / PSR-7 support to Nette Framework (@nette)

A bookmarklet that previews Google Fonts on a live website

Optimize images in your Laravel app

A compilation of Linux server benchmarking scripts.

Using vertx-client for AWS SDK v2

OpenSourceTest由自动化测试-夜行者社区维护，提供的是更多地灵活性和可配置性

[Mirror] Port of Sentimental library into Go

JavaScript Performance Monitor using canvas

🌎 xhr.js is a library(< 2Kb) to make AJAX/HTTP requests with XMLHttpRequest.

Add keyboard support to Chrome's native HTML5 video player.

Node Application Metrics provides a foundational infrastructure for collecting resource and performance monitoring data for Node.js-based applications.

⚔️ Saber, PHP异步协程HTTP客户端 | PHP Coroutine HTTP client - Swoole Humanization Library

A .NET 5 library to run C# code in parallel on the GPU through DX12 and dynamically generated HLSL compute shaders, with the goal of making GPU computing easy to use for all .NET developers! 🚀

🐳 Yellow Lab Tools Docker Image

Identify database issues before they hit production.

Расширение для сайта toster.ru

monomorphist - a JavaScript performance companion

POC for my Medium article

🔧 A list of Crankshaft bailout reasons with examples

Play games in GitHub's contribution graph.

Deprecated issue-tracking repo, please post new issues or feature requests to istio/istio instead.

A source code analyzer for Swift projects.

Analysis of the characteristics of different countries

Simple python client to upload files to the transfer.sh service

Identify technology on websites.