Presented at WebPerfDays NY, in New York City, NY on September 18th, 2014.
PerformanceChoreographySeptember 18, 2014 at WebPerfDays NY!Tim Kadlec @tkadlec[email protected]
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in-between momentsimpact perception
“It’s solely intended to enhancethe user’s perception of yourapp as quick to launch andimmediately ready for use.
http://www.lukew.com/ff/entry.asp?1797
progress bars focuson the waiting
skeleton screensfocus on the progress
slowis valuable
tell people you’reworking for them
<200mshttp://bit.ly/1rfjmzU
“A rule of thumb: Howeverlong you think you need, halfit. Then half it again!Rachel NaborsAward Winning Cartoonist
“Confession: sometimes whenwe release an update, I tightenup an old transition by ~50ms.!Result: "Wow, this new versionfeels faster."Cenny Bowles Design Manager at Twitter
http://bit.ly/1pgJ8OD
this isn’tdifficult
people likebeautiful things
we are performanceengineers
we are performancechoreographers
thank youSeptember 18, 2014 at WebPerfDays NY!Tim Kadlec @tkadlec[email protected]