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

Charles is a HTTP proxy that enables you to see traffic between your machine and the backend

Provide your users the experience they expect. Our developer-first observability platform delivers real-time data to improve app performance and help you balance roadmap agility with application stability.

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

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

Supercharge team collaboration by sharing screen capture, logs, and debugging information from local development.