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k6 - A Modern Open-Source Load Testing Tool
k6 is an open-source, developer-centric load testing tool designed for testing the performance and reliability of APIs, microservices, and websites. It makes performance testing a core part of the engineering workflow.
Go
Added on 2025年5月11日27,610
Stars1,355
ForksGo
LanguageProject Introduction
Summary
k6 is a modern open-source load testing tool built with Go and JavaScript, focused on improving developer productivity and confidence in system performance.
Problem Solved
Traditional load testing tools are often complex, require specialized knowledge, and are difficult to integrate into modern development workflows. k6 addresses this by providing a developer-friendly, scriptable, and automation-ready solution.
Core Features
JavaScript Scripting
Write load tests using JavaScript, leveraging familiar syntax and environments.
High Performance
Built in Go, k6 is performant and efficient, capable of generating significant load with minimal resources.
Automation & Integration
Designed with CI/CD pipelines in mind, facilitating automated performance regression testing.
Protocol Support
Supports testing a wide range of protocols including HTTP/1.1, HTTP/2, gRPC, and more.
Tech Stack
Go
JavaScript
使用场景
k6 is versatile and can be used for a variety of performance testing scenarios:
API Load Testing
Details
Test the throughput, latency, and error rate of your REST or gRPC APIs under heavy load.
User Value
Ensure your backend services can handle expected traffic volume reliably.
Website Performance Testing
Details
Evaluate how your website performs for end-users under peak traffic conditions.
User Value
Identify bottlenecks and improve user experience by ensuring fast load times.
Performance Regression Testing
Details
Include automated performance tests in your CI/CD pipeline to catch regressions early.
User Value
Prevent performance degradation by automatically testing every code change.
System Integration Testing
Details
Test the capacity and robustness of your entire system or microservices architecture under various load patterns.
User Value
Validate the performance of interdependent services and the overall system capacity.
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