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

Prozess-Entlade-Ereignis

Ereignis	Timing (ms)
unloadEventStart	51
unloadEventEnd	51

Umleitung

Ereignis	Timing (ms)
redirectStart	0
redirectEnd	0

Service Worker Init

Ereignis	Timing (ms)
workerStart	0

Service Worker Fetch-Ereignis

Ereignis	Timing (ms)
fetchStart	3

DNS

Ereignis	Timing (ms)
domainLookupStart	3
domainLookupEnd	3

TCP

Anfrage

Ereignis	Timing (ms)
requestStart	8

Antwort

Ereignis	Timing (ms)
responseStart	44
responseEnd	87

Verarbeitung

Ereignis	Timing (ms)
domInteractive	250
domContentLoadedEventStart	759
domContentLoadedEventEnd	762
domComplete	2417

Last

Ereignis	Timing (ms)
loadEventStart	2417
loadEventEnd	2538