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Performance Choreography at WebPerfDays NY, 2014
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Tim Kadlec
September 18, 2014
Programming
3
700
Performance Choreography at WebPerfDays NY, 2014
Presented at WebPerfDays NY, in New York City, NY on September 18th, 2014.
Tim Kadlec
September 18, 2014
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Transcript
Performance Choreography September 18, 2014 at WebPerfDays NY ! Tim
Kadlec @tkadlec
[email protected]
None
None
None
None
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in-between moments impact perception
None
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“It’s solely intended to enhance the user’s perception of your
app as quick to launch and immediately ready for use.
None
http://www.lukew.com/ff/entry.asp?1797
http://www.lukew.com/ff/entry.asp?1797
progress bars focus on the waiting
skeleton screens focus on the progress
None
None
None
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slow is valuable
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tell people you’re working for them
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<200ms http://bit.ly/1rfjmzU
“A rule of thumb: However long you think you need,
half it. Then half it again! Rachel Nabors Award Winning Cartoonist
“Confession: sometimes when we release an update, I tighten up
an old transition by ~50ms. ! Result: "Wow, this new version feels faster." Cenny Bowles Design Manager at Twitter
http://bit.ly/1pgJ8OD
http://bit.ly/1pgJ8OD
http://bit.ly/1pgJ8OD
this isn’t difficult
people like beautiful things
we are performance engineers
we are performance choreographers
thank you September 18, 2014 at WebPerfDays NY ! Tim
Kadlec @tkadlec
[email protected]