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Performance Choreography at WebPerfDays NY, 2014

A9a379f2e92c7ded4564190c5b286b78?s=47 Tim Kadlec
September 18, 2014

Performance Choreography at WebPerfDays NY, 2014

Presented at WebPerfDays NY, in New York City, NY on September 18th, 2014.

A9a379f2e92c7ded4564190c5b286b78?s=128

Tim Kadlec

September 18, 2014
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  1. Performance Choreography September 18, 2014 at WebPerfDays NY ! Tim

    Kadlec
 @tkadlec tim@timkadlec.com
  2. None
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  7. in-between moments impact perception

  8. None
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  10. “It’s solely intended to enhance the user’s perception of your

    app as quick to launch and immediately ready for use.
  11. None
  12. http://www.lukew.com/ff/entry.asp?1797

  13. http://www.lukew.com/ff/entry.asp?1797

  14. progress bars focus on the waiting

  15. skeleton screens focus on the progress

  16. None
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  20. slow is valuable

  21. None
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  23. tell people you’re working for them

  24. None
  25. <200ms http://bit.ly/1rfjmzU

  26. “A rule of thumb: However long you think you need,

    half it. Then half it again! Rachel Nabors Award Winning Cartoonist
  27. “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
  28. http://bit.ly/1pgJ8OD

  29. http://bit.ly/1pgJ8OD

  30. http://bit.ly/1pgJ8OD

  31. this isn’t difficult

  32. people like beautiful things

  33. we are performance engineers

  34. we are performance choreographers

  35. thank you September 18, 2014 at WebPerfDays NY ! Tim

    Kadlec
 @tkadlec tim@timkadlec.com