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

Building for performance and resilience

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Andy Hume Andy Hume
June 17, 2014
Technology
5
1.2k

Building for performance and resilience

Avatar for Andy Hume

Andy Hume

June 17, 2014
Tweet

More Decks by Andy Hume

See All by Andy Hume
Architecting resilient front-ends, jQuery UK, 2015
Avatar for Andy Hume andyhume
2
1.2k
Architecting resilient front ends
Avatar for Andy Hume andyhume
3
900
Guardian Responsive Design, SmashingConf 2013
Avatar for Andy Hume andyhume
6
690
Web Fonts as a Progressive Enhancement, Ampersand 2013
Avatar for Andy Hume andyhume
2
810
Anatomy of a responsive page load, WhiskyWeb 2013
Avatar for Andy Hume andyhume
10
1.9k
Breaking News & Breaking Software, SyncConf 2013
Avatar for Andy Hume andyhume
0
330
Anatomy of a responsive page load, Responsive Day Out 2013
Avatar for Andy Hume andyhume
23
3.4k
Responsive Guardian
Avatar for Andy Hume andyhume
21
1.2k
CSS for grown ups: maturing best practises, SXSW 2012
Avatar for Andy Hume andyhume
101
47k

Other Decks in Technology

See All in Technology
なぜ令和の今ゲームボーイを触るのか
Avatar for kimkim0106 kimkim0106
0
110
ECS障害を例に学ぶ、インシデント対応に備えた AIエージェントの育て方 / How to develop AI agents for incident response with ECS outage
Avatar for iselegant iselegant
5
790
AI駆動開発とRAGプロダクトへの挑戦の軌跡 - 弁護士ドットコムでの学びから -
Avatar for 弁護士ドットコム bengo4com
0
260
量子クラウドサービスの裏側　〜Deep Dive into OQTOPUS〜
Avatar for OQTOPUS oqtopus
0
340
AIエージェントを開発しよう！-AgentCore活用の勘所-
Avatar for YukiOgawa yukiogawa
0
230
Agent Skills 入門
Avatar for puku0x puku0x
0
450
量子クラウドシステムと運用
Avatar for OQTOPUS oqtopus
0
170
マネージャー視点で考えるプロダクトエンジニアの評価 / Evaluating Product Engineers from a Manager's Perspective
Avatar for hiro-torii hiro_torii
0
320
意志を実装するアーキテクチャモダナイゼーション
Avatar for nwiizo nwiizo
1
400
AzureでのIaC - Bicep? Terraform? それ早く言ってよ会議
Avatar for Toru Makabe torumakabe
1
710
チーム開発の基礎_研究を事業につなげるために
Avatar for CyberAgent cyberagentdevelopers
PRO
4
2.5k
Cloud Runでコロプラが挑む 生成AI×ゲーム『神魔狩りのツクヨミ』の裏側
Avatar for COLOPL Inc. colopl
0
330

Featured

See All Featured
How To Stay Up To Date on Web Technology
Avatar for Chris Coyier chriscoyier
791
250k
The Straight Up "How To Draw Better" Workshop
Avatar for Dennis Kardys denniskardys
239
140k
Utilizing Notion as your number one productivity tool
Avatar for Mfonobong Umondia mfonobong
3
230
Efficient Content Optimization with Google Search Console & Apps Script
Avatar for Katarina Dahlin katarinadahlin
PRO
1
340
[RailsConf 2023] Rails as a piece of cake
Avatar for Vladimir Dementyev palkan
59
6.3k
Code Reviewing Like a Champion
Avatar for maltzj maltzj
527
40k
Fashionably flexible responsive web design (full day workshop)
Avatar for Andy Clarke malarkey
408
66k
Gemini Prompt Engineering: Practical Techniques for Tangible AI Outcomes
Avatar for Mfonobong Umondia mfonobong
2
290
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
0
3.2k
Typedesign – Prime Four
Avatar for Hannes Fritz hannesfritz
42
3k
The Anti-SEO Checklist Checklist. Pubcon Cyber Week
Avatar for Ryan Jones ryanjones
0
76
ラッコキーワード サービス紹介資料
Avatar for ラッコ株式会社 rakko
1
2.4M

Transcript

  1. BUILDING FOR @andyhume SmashingConf, New York, 2014 PERFORMANCE RESILIENCE Tuesday,

    June 17, 14

  2. WHY CARE? http://www.strangeloopnetworks.com/resources/infographics/web-performance-and-ecommerce/ Tuesday, June 17, 14

  3. WHY CARE? http://www.strangeloopnetworks.com/resources/infographics/web-performance-and-ecommerce/ Tuesday, June 17, 14

  4. WHY CARE? http://www.strangeloopnetworks.com/resources/infographics/web-performance-and-ecommerce/ Tuesday, June 17, 14

  5. WHY CARE? http://www.strangeloopnetworks.com/resources/infographics/web-performance-and-ecommerce/ Tuesday, June 17, 14

  6. WHY CARE? http://www.strangeloopnetworks.com/resources/infographics/web-performance-and-ecommerce/ Tuesday, June 17, 14

  7. WHY CARE? http://www.strangeloopnetworks.com/resources/infographics/web-performance-and-ecommerce/ Tuesday, June 17, 14

  8. Measure http://www.flickr.com/photos/kayaker1204/4319542459/ Tuesday, June 17, 14

  9. Measure http://www.flickr.com/photos/kayaker1204/4319542459/ We have a median page load me of

    seven seconds, and our primary compe tor has a median page load me of three seconds. Tell a story Tuesday, June 17, 14

  10. Measure http://www.flickr.com/photos/kayaker1204/4319542459/ Page load mes increased by 25% when we

    added feature x. Tell a story Tuesday, June 17, 14

  11. Your bosses love a story http://www.flickr.com/photos/kayaker1204/4319542459/ Tuesday, June 17, 14

  12. Spread the word http://www.flickr.com/photos/kayaker1204/4319542459/ Tuesday, June 17, 14

  13. What numbers?! http://www.flickr.com/photos/kayaker1204/4319542459/ Tuesday, June 17, 14

  14. What numbers?! http://www.flickr.com/photos/kayaker1204/4319542459/ Page load time? Total download size? Start

    render time? Time to first byte? Response time? Total HTTP requests? Document load time? Tuesday, June 17, 14

  15. Tuesday, June 17, 14

  16. Tuesday, June 17, 14

  17. Tuesday, June 17, 14

  18. Tuesday, June 17, 14

  19. Tuesday, June 17, 14

  20. Tuesday, June 17, 14

  21. Tuesday, June 17, 14

  22. Load Time First Byte Start Render Fully Loaded Speed Index

    FIRST VIEW 3.783s 0.128s 0.676s 6.530s 1522 REPEAT VIEW 2.268s 0.486s 0.486s 3.617s 980 Tuesday, June 17, 14

  23. Load Time First Byte Start Render Fully Loaded Speed Index

    FIRST VIEW 3.783s 0.128s 0.676s 6.530s 1522 REPEAT VIEW 2.268s 0.486s 0.486s 3.617s 980 Tuesday, June 17, 14

  24. Load Time First Byte Start Render Fully Loaded Speed Index

    FIRST VIEW 3.783s 0.128s 0.676s 6.530s 1522 REPEAT VIEW 2.268s 0.486s 0.486s 3.617s 980 Tuesday, June 17, 14

  25. Measure and tracking trends http://www.flickr.com/photos/kayaker1204/4319542459/ Tuesday, June 17, 14

  26. SpeedCurve http://speedcurve.com Tuesday, June 17, 14

  27. SpeedCurve http://speedcurve.com Tuesday, June 17, 14

  28. How to optimize http://www.flickr.com/photos/freefoto/2231356418/ Tuesday, June 17, 14

  29. Web performance 101 http://www.flickr.com/photos/freefoto/2231356418/ Content-Encoding: gzip Cache-Control: max-age=315360000 Tuesday, June

    17, 14

  30. Optimizing: First byte http://www.flickr.com/photos/freefoto/2231356418/ Load Time First Byte Start Render

    Fully Loaded Speed Index FIRST VIEW 3.783s 0.128s 0.676s 6.530s 1522 REPEAT VIEW 2.268s 0.486s 0.486s 3.617s 980 Tuesday, June 17, 14

  31. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp Tuesday, June 17, 14

  32. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp Tuesday, June 17, 14

  33. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp Tuesday, June 17, 14

  34. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp Tuesday, June 17, 14

  35. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp SSL Handshake Tuesday, June 17, 14

  36. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp HTTP Redirect SSL Handshake Tuesday, June 17, 14

  37. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp HTTP Redirect SSL Handshake Tuesday, June 17, 14

  38. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp HTTP Redirect SSL Handshake Tuesday, June 17, 14

  39. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp HTTP Redirect SSL Handshake Tuesday, June 17, 14

  40. Optimizing: First byte DNS lookup TCP connect HTTP request Server

    time HTTP resp HTTP Redirect SSL Handshake Tuesday, June 17, 14

  41. Eliminate redirects Just eleminate redirects Flush the document early? Prefetch

    DNS? But really, just eleminate redirects Optimizing: First byte Tuesday, June 17, 14

  42. Optimizing: Start render http://www.flickr.com/photos/freefoto/2231356418/ Load Time First Byte Start Render

    Fully Loaded Speed Index FIRST VIEW 3.783s 0.128s 0.676s 6.530s 1522 REPEAT VIEW 2.268s 0.486s 0.486s 3.617s 980 Tuesday, June 17, 14

  43. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree Tuesday, June 17, 14

  44. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree Tuesday, June 17, 14

  45. Remote JS Optimizing: Start render HTML parser DOM tree Layout

    Paint Render tree Tuesday, June 17, 14

  46. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree Tuesday, June 17, 14

  47. inline script waiting on remote CSS Optimizing: Start render HTML

    parser DOM tree Layout Paint Render tree Tuesday, June 17, 14

  48. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree Tuesday, June 17, 14

  49. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree Tuesday, June 17, 14

  50. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree fetching remote stylesheets Tuesday, June 17, 14

  51. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree Tuesday, June 17, 14

  52. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree Tuesday, June 17, 14

  53. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree Tuesday, June 17, 14

  54. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree Tuesday, June 17, 14

  55. Avoid blocking scripts Optimizing: Start render Tuesday, June 17, 14

  56. Optimizing: Start render <script> var script = document.createElement('script'); script.src =

    "app.js"; document.head.appendChild(script); </script> Tuesday, June 17, 14

  57. Optimizing: Start render <script> var script = document.createElement('script'); script.src =

    "app.js"; document.head.appendChild(script); </script> BREAKS THE PRE-PARSER! Tuesday, June 17, 14

  58. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree HTML pre- parser Tuesday, June 17, 14

  59. Remote JS Optimizing: Start render HTML parser DOM tree Layout

    Paint Render tree HTML pre- parser Tuesday, June 17, 14

  60. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree HTML pre- parser Tuesday, June 17, 14

  61. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree HTML pre- parser fetching remote stylesheets Tuesday, June 17, 14

  62. Optimizing: Start render HTML parser DOM tree Layout Paint Render

    tree HTML pre- parser Tuesday, June 17, 14

  63. Optimizing: Start render <script> var script = document.createElement('script'); script.src =

    "app.js"; document.head.appendChild(script); </script> BREAKS THE PRE-PARSER! Tuesday, June 17, 14

  64. Optimizing: Start render <script src="app.js" async defer></script> Tuesday, June 17,

    14

  65. Avoid blocking scripts Optimizing: Start render Move script elements to

    end of <body> Or... add async attribute to script elements Inline critical CSS Tuesday, June 17, 14

  66. Avoid blocking scripts Optimizing: Start render Move script elements to

    end of <body> Or... add async attribute to script elements Inline critical CSS https://github.com/pocketjoso/penthouse Tuesday, June 17, 14

  67. Optimizing: Load time fully loaded http://www.flickr.com/photos/freefoto/2231356418/ Load Time First Byte

    Start Render Fully Loaded Speed Index FIRST VIEW 3.783s 0.128s 0.676s 6.530s 1522 REPEAT VIEW 2.268s 0.486s 0.486s 3.617s 980 Tuesday, June 17, 14

  68. gzip compression (of course!) Far-future caching (of course!) Concatenate files

    (of course!) Optimizing: Load time fully loaded Tuesday, June 17, 14

  69. Optimizing: Speed Index http://www.flickr.com/photos/freefoto/2231356418/ Load Time First Byte Start Render

    Fully Loaded Speed Index FIRST VIEW 3.783s 0.128s 0.676s 6.530s 1522 REPEAT VIEW 2.268s 0.486s 0.486s 3.617s 980 Tuesday, June 17, 14

  70. http://www.flickr.com/photos/vpickering/6824364286/ Resilience Tuesday, June 17, 14

  71. http://www.flickr.com/photos/the_jorr/325224175/ Unreliable Tuesday, June 17, 14

  72. http://www.flickr.com/photos/8040811@N06/3167877765 Progressive enhancement th Tuesday, June 17, 14

  73. The future http://www.flickr.com/photos/kayaker1204/4319542459/ Tuesday, June 17, 14

  74. Future: HTTP/2 SPDY Tuesday, June 17, 14

  75. Future: HTTP/2 SPDY Multiplexing Cache pushing Tuesday, June 17, 14

  76. Future: ServiceWorker Tuesday, June 17, 14

  77. Future: ServiceWorker this.addEventListener('fetch', function (e) { if (e.request.url.host === 'guardian.co.uk')

    { e.forwardTo('http://theguardian.com'); } } (Possibly not possible) Tuesday, June 17, 14

  78. Future: ServiceWorker this.addEventListener('fetch', function (e) { if (window.innerWidth > 500)

    { e.forwardTo(e.request.url + '?width=large'); } } (Possibly not possible) Tuesday, June 17, 14

  79. Experiment and measure http://www.flickr.com/photos/kayaker1204/4319542459/ Tuesday, June 17, 14

  80. Experiment and measure http://www.flickr.com/photos/kayaker1204/4319542459/ Theorize Experiment, and... Measure Tuesday, June

    17, 14

  81. Thank-you! http://lanyrd.com/sdbmhb @andyhume Creative Commons Licensed Attribution, Non-Commercial, Share Alike

    cc Tuesday, June 17, 14