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

Test the Performance of Your Website Under Load

Unifying API testing, API Performance testing, API Mocks and UI testing.

Free browser plugin to measures page load time and displays it in the toolbar.

Comprehensive and user-friendly cloud platform for Load Testing, Speed Testing and Website & API Optimization and Monitoring

Catch performance regressions in CI with Continuous Benchmarking