Don’t just observe. Take action. The only app monitoring platform built for developers that gets to the root cause for every issue.

k6 Open Source is designed for load testing. Extensible to support other types of testing.

Test the Performance of Your Website Under Load

Provide your users the experience they expect. Our developer-first observability platform delivers real-time data to improve app performance and help you balance roadmap agility with application stability.

Loader.io is a free load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections.

The Apache JMeter™ application 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.