1. performance
performance
Performance {timeOrigin: 1624549963009.4, onresourcetimingbufferfull: null, eventCounts: EventCounts, timing: PerformanceTiming, navigation: PerformanceNavigation, …}eventCounts: EventCounts {size: 36}memory: MemoryInfo {totalJSHeapSize: 21891768, usedJSHeapSize: 17960020, jsHeapSizeLimit: 2172649472}navigation: PerformanceNavigation {type: 0, redirectCount: 1}onresourcetimingbufferfull: nulltimeOrigin: 1624549963009.4timing: PerformanceTiming {navigationStart: 1624549963009, unloadEventStart: 0, unloadEventEnd: 0, redirectStart: 1624549963012, redirectEnd: 1624549963266, …}__proto__: Performance
2. Peforma web
