Package-level declarations
Types
The Performance interface provides access to performance-related information for the current page.
The PerformanceEntry object encapsulates a single performance metric that is part of the browser's performance timeline.
PerformanceMark is an interface for PerformanceEntry objects with an PerformanceEntry.entryType of 'mark'.
PerformanceMeasure is an abstract interface for PerformanceEntry objects with an PerformanceEntry.entryType of 'measure'.
The PerformanceObserver interface is used to observe performance measurement events and be notified of new PerformanceEntry as they are recorded in the browser's performance timeline.
The PerformanceObserverEntryList interface is a list of PerformanceEntry that were explicitly observed via the PerformanceObserver.observe method.
The PerformanceResourceTiming interface enables retrieval and analysis of detailed network timing data regarding the loading of an application's resources.
The PerformanceServerTiming interface surfaces server metrics that are sent with the response in the Server-Timing HTTP header.