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Performance Navigation Timing

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The PerformanceNavigationTiming interface provides metrics regarding the browser's document navigation events

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Process Unload Event

EventTiming (ms)
unloadEventStart0
unloadEventEnd0

Redirect

EventTiming (ms)
redirectStart0
redirectEnd0

Service Worker Init

EventTiming (ms)
workerStart0

Service Worker Fetch Event

EventTiming (ms)
fetchStart1

DNS

EventTiming (ms)
domainLookupStart1
domainLookupEnd1

TCP

EventTiming (ms)
connectStart48
secureConnectionStart58
connectEnd106

Request

EventTiming (ms)
requestStart106

Response

EventTiming (ms)
responseStart254
responseEnd258

Processing

EventTiming (ms)
domInteractive305
domContentLoadedEventStart694
domContentLoadedEventEnd695
domComplete695

Load

EventTiming (ms)
loadEventStart695
loadEventEnd695