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Die Schnittstelle PerformanceNavigationTiming liefert Metriken zu den Dokumenten-Navigationsereignissen des Browsers

Prozess-Entlade-Ereignis

Ereignis	Timing (ms)
unloadEventStart	0
unloadEventEnd	0

Umleitung

Ereignis	Timing (ms)
redirectStart	0
redirectEnd	0

Service Worker Init

Ereignis	Timing (ms)
workerStart	0

Service Worker Fetch-Ereignis

Ereignis	Timing (ms)
fetchStart	269

DNS

Ereignis	Timing (ms)
domainLookupStart	269
domainLookupEnd	269

TCP

Anfrage

Ereignis	Timing (ms)
requestStart	337

Antwort

Ereignis	Timing (ms)
responseStart	426
responseEnd	907

Verarbeitung

Ereignis	Timing (ms)
domInteractive	1911
domContentLoadedEventStart	1911
domContentLoadedEventEnd	1922
domComplete	2243

Last

Ereignis	Timing (ms)
loadEventStart	2243
loadEventEnd	2317