Performance Choreography at WebPerfDays NY, 2014

Transcript

1. 1.

   Performance Choreography September 18, 2014 at WebPerfDays NY ! Tim

   Kadlec
 @tkadlec tim@timkadlec.com
2. 2.

   None
3. 3.

   None
4. 4.

   None
5. 5.

   None
6. 6.

   None
7. 7.

   in-between moments impact perception

8. 8.

   None
9. 9.

   None
10. 10.

    “It’s solely intended to enhance the user’s perception of your

    app as quick to launch and immediately ready for use.
11. 11.

    None
12. 12.

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

13. 13.

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

14. 14.

    progress bars focus on the waiting

15. 15.

    skeleton screens focus on the progress

16. 16.

    None
17. 17.

    None
18. 18.

    None
19. 19.

    None
20. 20.

    slow is valuable

21. 21.

    None
22. 22.

    None
23. 23.

    tell people you’re working for them

24. 24.

    None
25. 25.

    <200ms http://bit.ly/1rfjmzU

26. 26.

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

    half it. Then half it again! Rachel Nabors Award Winning Cartoonist
27. 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. 28.

    http://bit.ly/1pgJ8OD

29. 29.

    http://bit.ly/1pgJ8OD

30. 30.

    http://bit.ly/1pgJ8OD

31. 31.

    this isn’t difficult

32. 32.

    people like beautiful things

33. 33.

    we are performance engineers

34. 34.

    we are performance choreographers

35. 35.

    thank you September 18, 2014 at WebPerfDays NY ! Tim

    Kadlec
 @tkadlec tim@timkadlec.com