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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	1020

DNS

Ereignis	Timing (ms)
domainLookupStart	1020
domainLookupEnd	1020

TCP

Anfrage

Ereignis	Timing (ms)
requestStart	1467

Antwort

Ereignis	Timing (ms)
responseStart	1583
responseEnd	1587

Verarbeitung

Ereignis	Timing (ms)
domInteractive	1620
domContentLoadedEventStart	1620
domContentLoadedEventEnd	1622
domComplete	3278

Last

Ereignis	Timing (ms)
loadEventStart	3278
loadEventEnd	3281