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Developer centric open-source load and performance testing tool
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What is k6?

It is a developer centric open source load testing tool for testing the performance of your backend infrastructure. It’s built with Go and JavaScript to integrate well into your development workflow.
k6 is a tool in the Load and Performance Testing category of a tech stack.
k6 is an open source tool with GitHub stars and GitHub forks. Here’s a link to k6's open source repository on GitHub

Who uses k6?

46 companies reportedly use k6 in their tech stacks, including kevin., Yousign, and Ornikar.

123 developers on StackShare have stated that they use k6.

k6 Integrations

Kafka, Grafana, Debian, Datadog, and Linux are some of the popular tools that integrate with k6. Here's a list of all 9 tools that integrate with k6.
Pros of k6
Fits nicely in a CI workflow
It's code-first
Test scripts are written in javascript
Easy to use
Decisions about k6

Here are some stack decisions, common use cases and reviews by companies and developers who chose k6 in their tech stack.

Needs advice

We're using Locust for load testing and k6. I came across k6 and I like JavaScript, please suggest which is better for API testing k6 or Locust?

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k6's Features

  • Written in Go and JavaScript, built to integrate well into the modern developer workflow and automation pipelines
  • Primarily for load testing, it also works for functional testing of APIs and microservices with its powerful JS ES6 based scripting API
  • Straightforward CLI, sharing many UX aspects with the DevOps tools you already use

k6 Alternatives & Comparisons

What are some alternatives to k6?
Locust is an easy-to-use, distributed, user load testing tool. Intended for load testing web sites (or other systems) and figuring out how many concurrent users a system can handle.
Gatling is a highly capable load testing tool. It is designed for ease of use, maintainability and high performance. Out of the box, Gatling comes with excellent support of the HTTP protocol that makes it a tool of choice for load testing any HTTP server. As the core engine is actually protocol agnostic, it is perfectly possible to implement support for other protocols. For example, Gatling currently also ships JMS support.
It is a hiring platform that provides an affordable way for small businesses to get a handle on their hiring process—a seamless set of features to create custom job posts and application forms, manage incoming candidates, and document the entire journey.
Apache JMeter
It is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.
AWS Device Farm
Run tests across a large selection of physical devices in parallel from various manufacturers with varying hardware, OS versions and form factors.
See all alternatives

k6's Followers
216 developers follow k6 to keep up with related blogs and decisions.