Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Useful performance metrics

Avatar for Ben Schwarz 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?

Avatar for Ben Schwarz

Ben Schwarz

December 10, 2014
Tweet

More Decks by Ben Schwarz

Other Decks in Technology

Transcript

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

    with the initiated task is broken - Ilya Grigorik
  2. 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
  3. 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