Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Performance Choreography at WebPerfDays NY, 2014

Avatar for Tim Kadlec Tim Kadlec
September 18, 2014
Programming
780
3

Performance Choreography at WebPerfDays NY, 2014

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

Avatar for Tim Kadlec

Tim Kadlec

September 18, 2014

More Decks by Tim Kadlec

See All by Tim Kadlec
The State of Node.js Security, at Node.js Interactive 2017
Avatar for Tim Kadlec tkadlec
1
500
JavaScript Exposed at Midwest JS
Avatar for Tim Kadlec tkadlec
3
320
Focusing On What Matters, at Fluent, 2017
Avatar for Tim Kadlec tkadlec
0
180
Once More, With Feeling at Code 2016 in Sydney
Avatar for Tim Kadlec tkadlec
1
720
Once More, With Feeling
Avatar for Tim Kadlec tkadlec
9
1.7k
Mobile Image Processing at London Web Perf Meetup, 2016
Avatar for Tim Kadlec tkadlec
1
250
Better By Proxy at Velocity NY 2015
Avatar for Tim Kadlec tkadlec
3
720
Getting Started with Performance Budgets at HighEdWeb Technical Academy, 2015
Avatar for Tim Kadlec tkadlec
9
1.3k
Reaching Everyone, Fast at From the Front, 2015
Avatar for Tim Kadlec tkadlec
8
7.5k

Other Decks in Programming

See All in Programming
その問い、本当に正しいですか？AI時代のエンジニアに必要な哲学と認知科学 / ai-philosophy-cognitive-science
Avatar for MinoDriven minodriven
11
6k
DynamoDBには集計系のクエリがないけどなんとかしたい
Avatar for 村上優稀 musan
1
180
Inside Stream API
Avatar for Yuichi.Sakuraba skrb
1
750
依存関係から依存物へ―Dependencyという言葉の歴史をひも解く
Avatar for j_lee_inst j_lee
0
130
Webフレームワークの ベンチマークについて
Avatar for Yusuke Wada yusukebe
0
170
エンジニアと一緒にテストコードの設計と実装を改善した話
Avatar for mototakatsu mototakatsu
0
210
例外の正しい扱い方 そのエラー try-catchして大丈夫？
Avatar for Watanabe Jin jinwatanabe
0
270
「AIで開発し、AIを届ける」をEvalでつなぐ 〜AIネイティブに始めるプロダクト開発の実践〜 / Connecting "Develop with AI, deliver AI" with Eval
Avatar for r-kagaya rkaga
4
5.3k
正しくソフトウェアを作る、前提を疑うための認知の視点 / doubt-premise
Avatar for MinoDriven minodriven
21
6.9k
気圧・高度・GPSを記録&可視化するアプリ「Koudo」を作った話
Avatar for Hajime Kato hjmkth
1
310
Spring Security 実践 ─ GraphQL APIで実務に役立つ 認証・認可 を学ぶ
Avatar for Wagyu wagyu
0
250
Oxcを導入して開発体験が向上した話
Avatar for Yuji Yamaguchi yug1224
4
320

Featured

See All Featured
Paper Plane (Part 1)
Avatar for Katie Cordina Lindsey katiecoart
PRO
0
9.2k
Understanding Cognitive Biases in Performance Measurement
Avatar for Philip Tellis bluesmoon
32
2.9k
The Invisible Side of Design
Avatar for Vitaly Friedman smashingmag
301
52k
Distributed Sagas: A Protocol for Coordinating Microservices
Avatar for Caitie McCaffrey caitiem20
333
22k
Unlocking the hidden potential of vector embeddings in international SEO
Avatar for Frank van Dijk frankvandijk
0
850
Typedesign – Prime Four
Avatar for Hannes Fritz hannesfritz
42
3.1k
The Cost Of JavaScript in 2023
Avatar for Addy Osmani addyosmani
55
10k
Scaling GitHub
Avatar for Zach Holman holman
464
140k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
Avatar for Addy Osmani addyosmani
10
1.2k
Chasing Engaging Ingredients in Design
Avatar for Sebastian Deterding codingconduct
0
220
Making the Leap to Tech Lead
Avatar for Ryan Cromwell cromwellryan
135
9.9k
We Have a Design System, Now What?
Avatar for Morgane Peng morganepeng
55
8.2k

Transcript

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

    Kadlec
 @tkadlec [email protected]
  2. None
  3. None
  4. None
  5. None
  6. None

  7. in-between moments impact perception

  8. None
  9. None

  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
  17. None
  18. None
  19. None

  20. slow is valuable

  21. None
  22. None

  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 [email protected]