Upgrade to PRO for Only $50/Year—Limited-Time Offer! 🔥

Performance Choreography at WebPerfDays NY, 2014

Avatar for Tim Kadlec Tim Kadlec
September 18, 2014
Programming
3
710

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
Tweet

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
440
JavaScript Exposed at Midwest JS
Avatar for Tim Kadlec tkadlec
3
300
Focusing On What Matters, at Fluent, 2017
Avatar for Tim Kadlec tkadlec
0
150
Once More, With Feeling at Code 2016 in Sydney
Avatar for Tim Kadlec tkadlec
1
690
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
230
Better By Proxy at Velocity NY 2015
Avatar for Tim Kadlec tkadlec
3
690
Getting Started with Performance Budgets at HighEdWeb Technical Academy, 2015
Avatar for Tim Kadlec tkadlec
9
1.2k
Reaching Everyone, Fast at From the Front, 2015
Avatar for Tim Kadlec tkadlec
8
7.4k

Other Decks in Programming

See All in Programming
複数人でのCLI/Infrastructure as Codeの暮らしを良くする
Avatar for Shoma Okamoto shmokmt
5
2.3k
まだ間に合う！Claude Code元年をふりかえる
Avatar for nogu nogu66
5
870
ハイパーメディア駆動アプリケーションとIslandアーキテクチャ: htmxによるWebアプリケーション開発と動的UIの局所的適用
Avatar for Ryota Nakamura nowaki28
0
430
Giselleで作るAI QAアシスタント 〜 Pull Requestレビューに継続的QAを
Avatar for Tadashi Shigeoka codenote
0
250
Navigation 3: 적응형 UI를 위한 앱 탐색
Avatar for Sungyong An fornewid
1
400
re:Invent 2025 のイケてるサービスを紹介する
Avatar for maroon1st maroon1st
0
140
堅牢なフロントエンドテスト基盤を構築するために行った取り組み
Avatar for Shogo Fukami shogo4131
8
2.4k
Claude Codeの「Compacting Conversation」を体感50%減！ CLAUDE.md + 8 Skills で挑むコンテキスト管理術
Avatar for Kazuki Murahama kmurahama
1
570
Cap'n Webについて
Avatar for Yusuke Wada yusukebe
0
140
dotfiles 式年遷宮 令和最新版
Avatar for masawada masawada
1
800
MAP, Jigsaw, Code Golf 振り返り会 by 関東Kaggler会|Jigsaw 15th Solution
Avatar for s.konishi hasibirok0
0
260
実は歴史的なアップデートだと思う AWS Interconnect - multicloud
Avatar for maroon1st maroon1st
0
230

Featured

See All Featured
The Cult of Friendly URLs
Avatar for Andy Hume andyhume
79
6.7k
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
331
21k
Data-driven link building: lessons from a $708K investment (BrightonSEO talk)
Avatar for Szymon szymonslowik
0
840
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
Avatar for soudai sone soudai
PRO
196
70k
[RailsConf 2023] Rails as a piece of cake
Avatar for Vladimir Dementyev palkan
58
6.2k
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
225
10k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
Avatar for Dan Newman danielanewman
231
22k
Gemini Prompt Engineering: Practical Techniques for Tangible AI Outcomes
Avatar for Mfonobong Umondia mfonobong
2
220
StorybookのUI Testing Handbookを読んだ
Avatar for Shingo Yamazaki zakiyama
31
6.5k
Crafting Experiences
Avatar for Bethany Jepchumba bethany
0
19
So, you think you're a good person
Avatar for Per Axbom axbom
PRO
0
1.8k
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
56
14k

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]