Performance Choreography at WebPerfDays NY, 2014

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

Transcript

1. Performance Choreography September 18, 2014 at WebPerfDays NY ! Tim Kadlec
 @tkadlec tim@timkadlec.com
7. in-between moments impact perception
10. “It’s solely intended to enhance the user’s perception of your app as quick to launch and immediately ready for use.
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
20. slow is valuable
23. tell people you’re working for them
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