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

Fully integrated API and web service testing capabilities that automate end-to-end functional API testing.

Jest is a delightful JavaScript Testing Framework with a focus on simplicity.

Selenium automates browsers. That's it! What you do with that power is entirely up to you.

Test the Performance of Your Website Under Load

Streamline your API testing, integration testing and test data management.