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

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

LangSmith Observability gives you complete visibility into agent behavior with tracing, real-time monitoring, alerting, and high-level insights into usage.

Radically better observability stack

Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.

Datadog is a cloud-based monitoring and analytics platform that provides observability and security for cloud-scale applications