AApache Benchmark
A command-line tool for measuring the performance of HTTP web servers, useful for testing the performance of your Apache installations.
Performance & load
Load, stress, soak and benchmarking tools, plus web performance measurement.
70 tools
- A
AApica
Apica is the agentic-ready telemetry pipeline that cuts observability costs up to 40%.
AArtillery
The complete load testing platform.
Aautocannon
autocannon is an MIT-licensed HTTP/1.1 benchmarking tool written in Node.js, inspired by wrk and wrk2, with HTTP pipelining, HTTPS support and a programmatic API.
AAzure App Testing (Azure Load Testing)
Azure App Testing is Microsoft's managed testing service that brings Azure Load Testing (JMeter and Locust at cloud scale) together with Playwright Workspaces for end-to-end browser testing.
BBenchmarkDotNet
BenchmarkDotNet is the MIT-licensed .NET library for turning methods into reliable, reproducible micro-benchmarks with statistical analysis, diagnosers and exportable reports.
BBlazeMeter
Unify performance testing, API testing and monitoring, service virtualization, AI-powered test data, and functional testing in one platform.
Bbombardier
bombardier is a fast, cross-platform MIT-licensed HTTP(S) benchmarking tool in Go that uses fasthttp, with an optional net/http client for HTTP/2.
CCatchpoint
Catchpoint is an Internet Performance Monitoring (IPM) platform for synthetic monitoring, real-user monitoring, network and BGP visibility from a large global agent network.
CChaos Mesh
Chaos Mesh is a CNCF incubating, Apache-2.0 chaos engineering platform for Kubernetes that defines pod, network, DNS, HTTP, I/O, time, stress, kernel, JVM and cloud faults as custom resources.
CChrome DevTools MCP
Chrome DevTools MCP is Google's Apache-2.0 MCP server and CLI that lets coding agents control and inspect a live Chrome: automation, network and console debugging, and performance traces.
DDareBoost
All-in-one service for website speed test, web performance monitoring and website analysis (speed, SEO, quality, security).
DDebugBear
Monitor website performance and Google Core Web Vitals with synthetic tests and real user monitoring (RUM).
DDistributed Load Testing on AWS
Distributed Load Testing on AWS is an Apache-2.0 AWS Solutions implementation that runs load tests at scale on Amazon ECS on AWS Fargate, simulating thousands of users without managing servers.
DDotcom-Monitor
Website monitoring that catches downtime before customers do.
DDrill
Drill is a GPL-3.0 HTTP load-testing application written in Rust, with benchmark plans described in Ansible-inspired YAML files.
FFortio
Fortio is an Apache-2.0 Go load-testing library, CLI, echo server and web UI that runs at a fixed QPS and records latency histograms and percentiles; it began as Istio's load tester.
GGatling
Modern Load Testing as Code.
Gghz
ghz is an Apache-2.0 gRPC benchmarking and load-testing tool with a CLI, Go library and optional web app for storing and comparing results.
GGoogle PageSpeed Insights
A tool that analyzes the content of a web page and provides suggestions to make that page faster.
GGoose
Goose is an Apache-2.0 load-testing framework written in Rust and inspired by Locust, from Tag1 Consulting, for simple to complex user-behaviour load tests.
GGrafana Pyroscope
Grafana Pyroscope is an AGPL-3.0 continuous profiling platform that helps debug performance issues down to a single line of code.
G GTmetrix
A website performance testing tool that provides insights into how well your site loads and offers actionable recommendations.
Hhey
hey is a tiny Apache-2.0 HTTP load generator written in Go, originally called boom, used as a simple replacement for ApacheBench (ab).
Hhyperfine
hyperfine is an Apache-2.0 command-line benchmarking tool that runs shell commands repeatedly with warm-up, statistical analysis and exports, ideal for comparing CLIs and builds.
HHyperfoil
Hyperfoil is an Apache-2.0, microservice-oriented distributed benchmark framework in Java that is designed to avoid the coordinated-omission fallacy in latency measurement.
IInstana
IBM Instana Observability provides real‑time application insight that traces requests, detects issues across the full application stack and speeds problem resolution.
JJMeter
Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services.
JJMH
JMH (Java Microbenchmark Harness) is OpenJDK's GPL-2.0 harness for building, running and analysing nano, micro, milli and macro benchmarks in Java and other JVM languages.
KK6
k6 is an open-source tool and cloud service that makes load testing easy for developers and QA engineers.
KKeyCDN
Single asset performance test from multiple locations.
KKrkn
Krkn is an Apache-2.0 CNCF sandbox chaos and resiliency testing tool for Kubernetes, focused on improving performance under failure conditions.
LLighthouse
Automated auditing, performance metrics, and best practices for the web.
LLighthouse CI
Lighthouse CI is Google Chrome's Apache-2.0 toolkit for running Lighthouse on every commit, asserting budgets, storing results and blocking performance, accessibility and SEO regressions.
LLoader.io
Free tool for web application load testing that allows for the simulation of concurrent connections to your web application's APIs.
LLoadium
Loadium is a performance and load testing tool that executes performance tests from open source tools, including JMeter, Gatling, and Selenium
LLoadmill
Loadmill is an AI verification layer that uses vision-based agents to check AI-built software across UI, API, mobile and performance, with an MCP server for coding agents.
LLoadNinja
The only load testing tool to record, replay, and test in real browsers at scale.
LLoadRunner
A performance testing tool by Micro Focus, which provides a comprehensive solution for testing the performance of a wide range of applications.
L LoadView
A cloud-based load testing tool that allows you to create and execute performance tests for your web applications and APIs.
L Locust
Write scalable load tests in plain Python 🚗💨.
MMonitis
A website performance monitoring tool that provides real-time performance metrics and alerts.
MMonkeyTest
MonkeyTest agents use your site like a real user to find bugs, report them, and verify them once fixed.
NNBomber
NBomber is a distributed load-testing framework for .NET: write scenarios in C# or F# for HTTP, WebSockets, AMQP, SQL or any protocol, with a free personal licence and paid business plans.
NNeoLoad
Neoload is a performance testing platform that simulates high user loads to identify and fix performance bottlenecks.
NNetdata
Netdata is a GPL-3.0 real-time monitoring agent with per-second metrics, auto-discovery, ML-based anomaly detection and zero-configuration dashboards, plus Netdata Cloud.
NNew Relic
New Relic is an AI-powered observability platform that correlates your telemetry across your entire stack, so you can isolate the root cause and reduce MTTR.
Ooha
oha is an MIT-licensed Rust HTTP load generator inspired by hey, with a real-time terminal UI showing progress, latency and status codes as the test runs.
PParasoft SOAtest
Optimize API and web service testing with AI-enhanced SOAtest.
PParca
Parca is an Apache-2.0 continuous profiling project that analyses CPU and memory usage down to the line number over time, using an eBPF agent.
PPingdom
A performance monitoring tool that provides insights into your website's speed, uptime, and user interactions.
PPlow
Plow is an Apache-2.0 HTTP(S) benchmarking tool in Go using fasthttp, showing real-time statistics, histograms and percentiles in both a web UI and the terminal.
PPrometheus
Prometheus is the CNCF's Apache-2.0 systems and service monitoring system: a multi-dimensional time-series database with PromQL, pull-based scraping, service discovery and alerting rules.
RRedLine13
RedLine13 gives you "almost" free load testing in the cloud.
SSematext
IT system monitoring and management tools for DevOps who need 24x7 live visibility into their infrastructure.
S Siege
Siege is an http load tester and benchmarking utility.
SSiteSpeed.io
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various…
SSpeedCurve
SpeedCurve (now SpeedCurve by Embrace) is a web performance monitoring service combining synthetic testing and real-user monitoring (RUM), with plans from $90 a month.
SSucuri Load Time Tester
A tool that measures your website's load time from multiple locations around the globe.
T Taurus
Automation-friendly framework for Continuous Testing by.
TTelerek TestStudio
API testing with Test Studio helps you enhance your end-to-end testing strategy to cover test scenarios that require API calls.
T Tsung
A multi-protocol distributed load testing tool that can be used to stress test HTTP, WebDAV, SOAP, PostgreSQL, MySQL, and more.
UUnlighthouse
Unlighthouse is an MIT-licensed tool that runs Google Lighthouse across your entire site, crawling pages and showing scores in a local UI, via CLI or CI integrations.
UUptrends
Monitor web and API user journeys from 230+ ISP-based locations worldwide and feed outside-in synthetic insights into your open observability platform.
UUpzilla
Monitor website uptime, performance, availability monitoring and server uptime/downtime checks from multiple locations.
V Vegeta
HTTP load testing tool and library.
WWebLOAD
Learn more about WebLOAD load testing tool by RadView.
W WebPageTest
An open-source tool that allows you to run performance tests on your website using real browsers at real consumer connection speeds.
YYandex.Tank
Yandex.Tank is an Apache-2.0 extensible load-testing tool for Linux that drives generators such as phantom, JMeter and Python-based BFG, built for automated load-testing suites.
Y YSlow
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.