Useful performance metrics

1518538c2cd5fc2e54d4df083f1b3fa6?s=47 Ben Schwarz
December 10, 2014

Useful performance metrics

Sometimes we focus on numbers that don't really mean much to performance… now that we 'know everything' about performance — what do we do next?

1518538c2cd5fc2e54d4df083f1b3fa6?s=128

Ben Schwarz

December 10, 2014
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  1. 8.

    After a second or more, the user’s flow and engagement

    with the initiated task is broken - Ilya Grigorik
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    connectEnd: 1425719094911 connectStart: 1425719094800 domComplete: 1425719096142 domContentLoadedEventEnd: 1425719095715 domContentLoadedEventStart: 1425719095677

    domInteractive: 1425719095677 domLoading: 1425719095584 domainLookupEnd: 1425719094800 domainLookupStart: 1425719094800 fetchStart: 1425719094795 loadEventEnd: 1425719096143 loadEventStart: 1425719096142 navigationStart: 1425719094795 redirectEnd: 0 redirectStart: 0 requestStart: 1425719094911 responseEnd: 1425719095558 responseStart: 1425719095555 secureConnectionStart: 0 unloadEventEnd: 1425719095558 unloadEventStart: 1425719095557
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    connectEnd: 0 connectStart: 0 domainLookupEnd: 0 domainLookupStart: 0 duration: 0

    entryType: "resource" fetchStart: 819.8899999842979 initiatorType: "link" name: "http://d3brtmsfoeeao4.cloudfront.net/css/page-setup.9b58d1aa.gz.css" redirectEnd: 0 redirectStart: 0 requestStart: 0 responseEnd: 819.8899999842979 responseStart: 0 secureConnectionStart: 0 startTime: 819.8899999842979
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