Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Upgrading the Web - Driving Support For New Sta...

Avatar for Jonathan Klein Jonathan Klein
November 15, 2013
Technology
460
1

Upgrading the Web - Driving Support For New Standards

I gave this talk at Velocity London 2013.

Slides and links available at jkle.in/upgrade

Avatar for Jonathan Klein

Jonathan Klein

November 15, 2013

More Decks by Jonathan Klein

See All by Jonathan Klein
Cognitive Biases in Engineering Organizations - Craft Conf
Avatar for Jonathan Klein jklein
15
540
Demystifying SPDY and HTTP/2
Avatar for Jonathan Klein jklein
1
740
Demystifying SPDY and HTTP/2
Avatar for Jonathan Klein jklein
2
1.2k
Cognitive Biases in Engineering Organizations
Avatar for Jonathan Klein jklein
4
2k
Composer: From Beginner to Expert
Avatar for Jonathan Klein jklein
1
1.1k
Upgrading the Web: Boston Web Performance Meetup
Avatar for Jonathan Klein jklein
1
360
Upgrading the Web: Driving Support For New Standards
Avatar for Jonathan Klein jklein
1
890
Northeastern Lunch and Learn
Avatar for Jonathan Klein jklein
0
310
Profiling PHP With XHProf
Avatar for Jonathan Klein jklein
1
1.1k

Other Decks in Technology

See All in Technology
AIコーディングエージェント開発_全体像
Avatar for コロッケそば happysamurai294
0
140
ALBのLCU予約とトラフィックの波によるプロダクト理解 / Understanding ALB LCU and Traffic Spikes
Avatar for mito mito201
1
130
Flutter Widget Previewerで始めるUIプレビューとVRTの自動化
Avatar for Aokiti sakusaku3939
0
190
Adversary Infrastructure Hunting101
Avatar for DiscoNinja disconinja
0
190
仕様駆動開発の、その先へ。決める力と確かめる仕組み
Avatar for Riku INADA inariku
1
160
Agent 活用環境の構築・運用のための AWS サービスのご紹介/agentcore-for-building-and-operating-agents
Avatar for Renya Kujirada ren8k
1
310
1週間、Opus封印でお願いします
Avatar for KintoTech_Dev kintotechdev
1
430
デザインレビューは自動化できるのか？─ Flutter × Figma で UI 品質保証を考える
Avatar for Hirokazu Tanaka techiro
2
720
視野はAIに、視座は人に / ai-for-breadth-humans-for-perspective
Avatar for Yukiya Nakagawa nkzn
6
2.7k
AIエージェント統制はAPIから——押さえるべき5つの要素
Avatar for 草薙昭彦 nagix
0
110
"AWSはちょっと苦手"でも大丈夫。AWS Blocks で手軽に作る Flutter のバックエンド #FlutterKaigi
Avatar for Kihara, Takuya tacck
PRO
0
120
リアクションエンジニア ― 小さなリアクションから、話しかけやすい組織をつくる ―
Avatar for ryuguyana ryuguyana
1
100

Featured

See All Featured
Winning Ecommerce Organic Search in an AI Era - #searchnstuff2025
Avatar for Aleyda Solis aleyda
2
2.2k
Efficient Content Optimization with Google Search Console & Apps Script
Avatar for Katarina Dahlin katarinadahlin
PRO
1
960
The Curse of the Amulet
Avatar for Matthew Lei leimatthew05
3
16k
The innovator’s Mindset - 
Leading Through an Era of Exponential Change - McGill University 2025
Avatar for Jean-Marc De Jonghe jdejongh
PRO
1
390
Visualization
Avatar for Eitan Lees eitanlees
153
17k
The Illustrated Guide to Node.js - THAT Conference 2024
Avatar for David Neal reverentgeek
1
600
Code Reviewing Like a Champion
Avatar for maltzj maltzj
529
40k
Unsuck your backbone
Avatar for Amy Palamountain ammeep
672
58k
Site-Speed That Sticks
Avatar for Harry Roberts csswizardry
13
1.6k
The SEO identity crisis: Don't let AI make you average
Avatar for Varn varn
0
620
My Coaching Mixtape
Avatar for mlcsv mlcsv
0
370
Primal Persuasion: How to Engage the Brain for Learning That Lasts
Avatar for Mike Taylor tmiket
0
510

Transcript

  1. Upgrading the Web Driving Support For New Standards Velocity London

    2013 Jonathan Klein @jonathanklein Friday, November 15, 13

  2. Slides, Links jkle.in/upgrade Friday, November 15, 13

  3. About Me Friday, November 15, 13

  4. About Me • Performance Engineer At Etsy Friday, November 15,

    13

  5. About Me • Performance Engineer At Etsy • I write

    the Etsy Site Performance Reports Friday, November 15, 13

  6. About Me • Performance Engineer At Etsy • I write

    the Etsy Site Performance Reports • Organize Boston Web Perf Meetup Group Friday, November 15, 13

  7. Etsy Stats Friday, November 15, 13

  8. Friday, November 15, 13

  9. Friday, November 15, 13

  10. Friday, November 15, 13

  11. A Story Friday, November 15, 13

  12. A Story From the Future Friday, November 15, 13

  13. Friday, November 15, 13

  14. http://goo.gl/Uj3w9y Friday, November 15, 13

  15. Things You Learned Friday, November 15, 13

  16. Things You Learned • Hop Hints Friday, November 15, 13

  17. Things You Learned • Hop Hints • Client Hints Friday,

    November 15, 13

  18. Things You Learned • Hop Hints • Client Hints •

    WebP Friday, November 15, 13

  19. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 Friday, November 15, 13

  20. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  21. What Should You Implement? Friday, November 15, 13

  22. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  23. HTTP Origin/Hop Hints Friday, November 15, 13

  24. HTTP Origin/Hop Hints • IETF Draft Friday, November 15, 13

  25. HTTP Origin/Hop Hints • IETF Draft • HTTP Response Header

    Friday, November 15, 13

  26. HTTP Origin/Hop Hints • IETF Draft • HTTP Response Header

    •OH: a,b=6,c Friday, November 15, 13

  27. HTTP Origin/Hop Hints • IETF Draft • HTTP Response Header

    •OH: a,b=6,c • Tells the browser about server capabilities Friday, November 15, 13

  28. HTTP Origin/Hop Hints Friday, November 15, 13

  29. HTTP Origin/Hop Hints • Small Request Headers Friday, November 15,

    13

  30. HTTP Origin/Hop Hints • Small Request Headers • Relative Referers

    Friday, November 15, 13

  31. HTTP Origin/Hop Hints • Small Request Headers • Relative Referers

    • Omitting Cookies Friday, November 15, 13

  32. HTTP Origin/Hop Hints • Small Request Headers • Relative Referers

    • Omitting Cookies • Sharing Connections Friday, November 15, 13

  33. HTTP Origin/Hop Hints • Small Request Headers • Relative Referers

    • Omitting Cookies • Sharing Connections • Pipeline Depth Friday, November 15, 13

  34. Reduce Header Size Friday, November 15, 13

  35. Optimize Transfer Friday, November 15, 13

  36. No Content Changes Friday, November 15, 13

  37. Friday, November 15, 13

  38. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  39. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  40. Client Hints Friday, November 15, 13

  41. Client Hints • IETF Draft Friday, November 15, 13

  42. Client Hints • IETF Draft • HTTP Request Header Friday,

    November 15, 13

  43. Client Hints • IETF Draft • HTTP Request Header •CH-DPR:

    2.0 Friday, November 15, 13

  44. Client Hints • IETF Draft • HTTP Request Header •CH-DPR:

    2.0 • Tells the server about browser capabilities Friday, November 15, 13

  45. Friday, November 15, 13

  46. Will Also Specify Height/Width Friday, November 15, 13

  47. Simplifies Markup Friday, November 15, 13

  48. Friday, November 15, 13

  49. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  50. Friday, November 15, 13

  51. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  52. WebP Friday, November 15, 13

  53. WebP • New image format from Google Friday, November 15,

    13

  54. WebP • New image format from Google • 25-34% smaller

    than JPEG Friday, November 15, 13

  55. WebP • New image format from Google • 25-34% smaller

    than JPEG • Lossless Option Friday, November 15, 13

  56. WebP • New image format from Google • 25-34% smaller

    than JPEG • Lossless Option • Alpha Transparency Friday, November 15, 13

  57. WebP • New image format from Google • 25-34% smaller

    than JPEG • Lossless Option • Alpha Transparency • Growing adoption Friday, November 15, 13

  58. Friday, November 15, 13

  59. Now We Are Getting Somewhere... Friday, November 15, 13

  60. Friday, November 15, 13

  61. Friday, November 15, 13

  62. Key Stats First Run Bytes 576KB Start Render 932ms Speed

    Index 1269ms Friday, November 15, 13

  63. Brief Aside: Speed Index Friday, November 15, 13

  64. Friday, November 15, 13

  65. Convert JPEGs to WebP Friday, November 15, 13

  66. Friday, November 15, 13

  67. Key Stats First Run WebP Difference Bytes 576KB 387KB -33%

    Start Render 932ms 1019ms +9% Speed Index 1269ms 1278ms <1% Friday, November 15, 13

  68. Friday, November 15, 13

  69. Its Future is Uncertain Friday, November 15, 13

  70. Friday, November 15, 13

  71. Friday, November 15, 13

  72. Challenges with WebP Friday, November 15, 13

  73. Challenges with WebP • Worse shareability Friday, November 15, 13

  74. Challenges with WebP • Worse shareability • Increased decoding time

    Friday, November 15, 13

  75. Challenges with WebP • Worse shareability • Increased decoding time

    • Controversial studies around quality/size Friday, November 15, 13

  76. Challenges with WebP • Worse shareability • Increased decoding time

    • Controversial studies around quality/size • No progressive decoding (yet) Friday, November 15, 13

  77. Still a Big Bandwidth Win Friday, November 15, 13

  78. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  79. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  80. SPDY/HTTP 2.0 Friday, November 15, 13

  81. SPDY/HTTP 2.0 • Next version of HTTP Friday, November 15,

    13

  82. SPDY/HTTP 2.0 • Next version of HTTP • HTTP Multiplexing

    Friday, November 15, 13

  83. SPDY/HTTP 2.0 • Next version of HTTP • HTTP Multiplexing

    • Header Compression Friday, November 15, 13

  84. SPDY/HTTP 2.0 • Next version of HTTP • HTTP Multiplexing

    • Header Compression • Prioritization Friday, November 15, 13

  85. SPDY/HTTP 2.0 • Next version of HTTP • HTTP Multiplexing

    • Header Compression • Prioritization • Wide support Friday, November 15, 13

  86. Friday, November 15, 13

  87. No More... Friday, November 15, 13

  88. No More... • Domain Sharding Friday, November 15, 13

  89. No More... • Domain Sharding • Spriting Images Friday, November

    15, 13

  90. No More... • Domain Sharding • Spriting Images • Concatenating

    Files Friday, November 15, 13

  91. No More... • Domain Sharding • Spriting Images • Concatenating

    Files • DataURIs Friday, November 15, 13

  92. Friday, November 15, 13

  93. Friday, November 15, 13

  94. Slides, Links jkle.in/upgrade Friday, November 15, 13

  95. Let’s See it in Action Friday, November 15, 13

  96. Friday, November 15, 13

  97. Friday, November 15, 13

  98. Before SPDY Friday, November 15, 13

  99. After SPDY Friday, November 15, 13

  100. Key Stats First Run SPDY/ HTTP 2.0 Difference Bytes 387KB

    387KB - Start Render 1019ms 972ms -5% Speed Index 1278ms 1108ms -14% Friday, November 15, 13

  101. Friday, November 15, 13

  102. Friday, November 15, 13

  103. Sites Using SPDY Today Friday, November 15, 13

  104. Sites Using SPDY Today • Most (all?) Google Properties Friday,

    November 15, 13

  105. Sites Using SPDY Today • Most (all?) Google Properties •

    Facebook Friday, November 15, 13

  106. Sites Using SPDY Today • Most (all?) Google Properties •

    Facebook • Twitter Friday, November 15, 13

  107. Sites Using SPDY Today • Most (all?) Google Properties •

    Facebook • Twitter • You? Friday, November 15, 13

  108. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  109. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  110. Pre-fetching • Fetch assets for next page • Speeds up

    navigation <link rel="prefetch" href="/foo.css"> Friday, November 15, 13

  111. WebPagetest Script logData 0 navigate https://velocity.jkle.in logData 1 navigate https://velocity.jkle.in/product.html

    Friday, November 15, 13

  112. Friday, November 15, 13

  113. Key Stats First Run Bytes 85KB Speed Index 479ms CSS

    Files 2 JS Files 6 Friday, November 15, 13

  114. Prefetch <link rel="prefetch" href="/prestashop/themes/default/css/product.css"> <link rel="prefetch" href="/prestashop/js/jquery/plugins/fancybox/jquery.fancybox.css"> <link rel="prefetch" href="/prestashop/js/jquery/plugins/fancybox/jquery.fancybox.js">

    <link rel="prefetch" href="/prestashop/js/jquery/plugins/jquery.idTabs.js"> <link rel="prefetch" href="/prestashop/js/jquery/plugins/jquery.scrollTo.js"> <link rel="prefetch" href="/prestashop/js/jquery/plugins/jquery.serialScroll.js"> <link rel="prefetch" href="/prestashop/themes/default/js/tools.js"> <link rel="prefetch" href="/prestashop/themes/default/js/product.js"> Friday, November 15, 13

  115. Friday, November 15, 13

  116. Key Stats First Run Pre-fetching Difference Bytes 85KB 50KB -40%

    Speed Index 479ms 290ms -40% CSS Files 2 0 -100% JS Files 6 0 -100% Friday, November 15, 13

  117. Friday, November 15, 13

  118. Things You Learned • Hop Hints • Client Hints •

    WebP • SPDY/HTTP 2.0 • Pre-fetching Friday, November 15, 13

  119. Browser Support Friday, November 15, 13

  120. Friday, November 15, 13

  121. These Are Still Good Options Friday, November 15, 13

  122. Convincing CDNs Would Be HUGE Friday, November 15, 13

  123. Action Steps Friday, November 15, 13

  124. Action Steps • Implement as much as you can Friday,

    November 15, 13

  125. Action Steps • Implement as much as you can •

    Speak/blog about challenges Friday, November 15, 13

  126. Action Steps • Implement as much as you can •

    Speak/blog about challenges • Ask your CDN for support Friday, November 15, 13

  127. Action Steps • Implement as much as you can •

    Speak/blog about challenges • Ask your CDN for support • Report bugs Friday, November 15, 13

  128. Let’s Upgrade The Web Friday, November 15, 13

  129. Thanks! Friday, November 15, 13

  130. @jonathanklein [email protected] www.etsy.com/careers Get in Touch Friday, November 15, 13