Device capabilities, browser details, preferences, and connectivity.
Optional captured JavaScript errors. Disabled by default.
Custom application events emitted through the monitor event API.
Network request history and rolling request statistics.
Browser performance metrics such as FPS, memory, long tasks, and CLS.
React render history and per-component render statistics.
Optional asset timings from the Resource Timing API. Disabled by default.
Unix timestamp in milliseconds for when the combined snapshot was computed.
Standard Web Vitals metrics collected from the browser.
Complete point-in-time state collected by a monitor instance.