903 Open source projects that are alternatives of or similar to Speedracer

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

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

Run Lighthouse analysis over multiple sites in a single command

⏱ 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.

A tool for scale and performance testing of HDFS with a specific focus on the NameNode.

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

JMeter plugin that lets you send sample results to an ElasticSearch engine to enable live monitoring of load tests.

Qubole Sparklens tool for performance tuning Apache Spark

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。

QuickPerf is a testing library for Java to quickly evaluate and improve some performance-related properties

Google Lighthouse + Puppeteer / Docker Image

DEPRECATED StackImpact Go Profiler - Production-Grade Performance Profiler: CPU, memory allocations, blocking calls, errors, metrics, and more

Framework allows to perform load testing with Apache Jmeter, view application/server metrics in real-time with Grafana, analyze errors cause with detailed traces for failed requests, compare different test runs in scripted dashboard and perform frontend performance testing with sitespeed.io+webpagetest

Fortio load testing library, command line tool, advanced echo server and web UI in go (golang). Allows to specify a set query-per-second load and record latency histograms and other useful stats.

A code generator for array-based code on CPUs and GPUs

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

💥 Puts your console on blast when React is making unnecessary updates.

🚀 fgprof is a sampling Go profiler that allows you to analyze On-CPU as well as Off-CPU (e.g. I/O) time together.

Shows your current framerate (fps) in the status bar of your iOS app

Automated auditing, performance metrics, and best practices for the web.

A better load generator for locust, written in golang.

StackImpact Java Profiler - Production-Grade Performance Profiler: CPU, locks, runtime metrics, and more

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).

Pcap editing and replay tools for *NIX and Windows - Users please download source from

Scenarios for `loadimpact.com`, written against Liquid Web's WooCommerce sample data.

Find memory issues & leaks in your iOS app without instruments

Flexible HTTP command line stress tester for websites and web services

IGUANA is a benchmark execution framework for querying HTTP endpoints and CLI Applications such as Triple Stores. Contact: [email protected]

JavaScript benchmark for common web developer workloads

🏆 Delightful Benchmarking & Performance Testing

The JMeter Maven Plugin

API performance testing framework built using JUnit

Investigate performance over your whole company with lighthouse

Golang application performance data monitoring.

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

Python import profiler

In-app-debug tool for iOS

pprof is a tool for visualization and analysis of profiling data

Next-gen browser and mobile automation test framework for Node.js

Drill is a HTTP load testing application written in Rust inspired by Ansible syntax

An android library for displaying fps from the choreographer and percentage of time with two or more frames dropped

NetMeter network performance measurement tool

Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.

DEPRECATED StackImpact Node.js Profiler - Production-Grade Performance Profiler: CPU, memory allocations, async calls, errors, metrics, and more

Sysbench Dockerfiles and Scripts for VM and Container benchmarking MySQL

An accurate and simple tool uses KVO to measure the time cost of every view controller.

This is a tool for Linux kernel ftrace and perf events visualization

A Github Action that automatically compresses JPEGs, PNGs and WebPs in Pull Requests.

Measuring cmov vs branch-mov performance

PHP Benchmarking framework

Processor Counter Monitor

Navigation Timing

Thoughts on Go performance optimization

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

Tool for automatic detection and asserting "N+1 SELECT problem" occurences in JPA based Spring Boot Java applications and finding origin of JPA issued SQL statements in general

Gather statistics about physical disk access and CPU consumption done by backends.

No description or website provided.

Performance Metrics for Web Browsers

A gatling plugin for running load tests on Apache Dubbo(https://github.com/apache/incubator-dubbo) and other java ecosystem.