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K6 Performance Testing Tool

K6 is an open-source load testing tool that aims to make performance testing a productive task for engineering teams. It's designed to be free, developer-centric, and extensible.

Major Features

  • CLI tool with developer-friendly APIs: K6 provides a command-line interface tool with APIs that are easy for developers to use.
  • Scripting in JavaScript ES2015/ES6: K6 allows scripting in JavaScript ES2015/ES6, with support for local and remote modules.
  • Checks and Thresholds: K6 provides checks and thresholds for goal-oriented, automation-friendly load testing.

Use Cases

  • Load Testing: K6 is optimized for minimal resource consumption and is designed for running high load tests (spike, stress, soak tests).
  • Browser Testing: Through K6 browser, you can run browser-based performance testing.
  • Chaos and Resilience Testing: You can use K6 to simulate traffic as part of your chaos experiments.
  • Performance and Synthetic Monitoring: With K6, you can automate and schedule to trigger tests very frequently with a small load to continuously validate the performance and availability of your production environment.

Typically, Developers, QA Engineers, SDETs, and SREs use K6 for testing the performance and reliability of APIs, microservices, and websites.

https://k6.io/