Percy is a visual testing and monitoring tool that focuses on detecting visual changes in web applications

The Complete Continuous Testing Platform Any test. Any device. App quality without limits.

Radically better observability stack

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

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.

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