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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	445

DNS

Ereignis	Timing (ms)
domainLookupStart	445
domainLookupEnd	445

TCP

Anfrage

Ereignis	Timing (ms)
requestStart	522

Antwort

Ereignis	Timing (ms)
responseStart	620
responseEnd	1307

Verarbeitung

Ereignis	Timing (ms)
domInteractive	3309
domContentLoadedEventStart	3310
domContentLoadedEventEnd	3343
domComplete	4162

Last

Ereignis	Timing (ms)
loadEventStart	4163
loadEventEnd	4286