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

Performance Choreography at WebPerfDays NY, 2014

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Tim Kadlec Tim Kadlec
September 18, 2014
Programming
770
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
490
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
170
Once More, With Feeling at Code 2016 in Sydney
Avatar for Tim Kadlec tkadlec
1
710
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
710
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
AI時代になぜ書くのか
Avatar for Mutz mutsumix
0
370
Augmenting AI with the Power of Jakarta EE
Avatar for ivargrimstad ivargrimstad
0
350
Lightning-Fast Method Calls with Ruby 4.1 ZJIT / RubyKaigi 2026
Avatar for Takashi Kokubun k0kubun
3
2.8k
PHPでローカル環境用のSSL/TLS証明書を発行することはできるのか？ #phpconkagawa
Avatar for akase244 akase244
0
360
20260514_its_the_context_window_stupid.pdf
Avatar for heita heita
0
920
AI-DLC Deep Dive
Avatar for yuukiyo yuukiyo
9
5.7k
Terraform言語の静的解析 / static analysis of Terraform language
Avatar for Kazuma Watanabe wata727
1
140
Import assertionsが消えた日～ECMAScriptの仕様はどう決まり、なぜ覆るのか～
Avatar for おおいし bicstone
2
180
書き換えて学ぶTemporal #fukts
Avatar for Hiroyuki ANAI pirosikick
2
370
Agentic UI in the Frontend: Architectures with Open Standards @JAX 2026 in Mainz
Avatar for Manfred Steyer manfredsteyer
PRO
0
110
How We Benchmarked Quarkus: Patterns and anti-patterns
Avatar for Holly Cummins hollycummins
1
190
【ディップ｜26年新卒研修資料】OpenAPI/Swagger REST API研修
Avatar for ディップ株式会社 dip_tech
PRO
0
150

Featured

See All Featured
Easily Structure & Communicate Ideas using Wireframe
Avatar for Afnizar Nur Ghifari afnizarnur
194
17k
Measuring & Analyzing Core Web Vitals
Avatar for Philip Tellis bluesmoon
9
820
We Have a Design System, Now What?
Avatar for Morgane Peng morganepeng
55
8.1k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
Avatar for Eileen M. Uchitelle eileencodes
28
3.5k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
Avatar for mongodb mongodb
49
9.9k
Helping Users Find Their Own Way: Creating Modern Search Experiences
Avatar for Dan Newman danielanewman
31
3.2k
New Earth Scene 8
Avatar for Sydney Stone popppiees
3
2.2k
Fireside Chat
Avatar for paigeccino paigeccino
42
3.9k
Paper Plane
Avatar for Katie Cordina Lindsey katiecoart
PRO
1
50k
The AI Search Optimization Roadmap by Aleyda Solis
Avatar for Aleyda Solis aleyda
1
5.8k
The #1 spot is gone: here's how to win anyway
Avatar for Tamara Novitovic tamaranovitovic
2
1k
Max Prin - Stacking Signals: How International SEO Comes Together (And Falls Apart)
Avatar for Tech SEO Connect techseoconnect
PRO
0
160

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]