PageSpy is a debugging tool for web applications. Key features include: Remote debugging capabilities Cross-platform support Real-time inspection of web pages Network request monitoring Console log viewing JavaScript debugging DOM element inspection Local storage and session storage viewing Performance profiling Designed for mobile web debugging PageSpy is particularly useful for debugging web applications on mobile devices or in environments where direct access to developer tools is challenging. It allows developers to inspect and debug web pages remotely, enhancing the development and troubleshooting process.