Simplifies performance and load testing so that application delivery teams can take a standardized approach to ensure continuous performance, reliability, and scalability from development to production.

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

WebLOAD – Performance and Load Testing for the Most Challenging Web Applications

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

Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).

Anyone on your team can load test with instant playback, an easy-to-use interface, and real browsers for reliable data.