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

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

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
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
530
Demystifying SPDY and HTTP/2
Avatar for Jonathan Klein jklein
1
710
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
880
Northeastern Lunch and Learn
Avatar for Jonathan Klein jklein
0
300
Profiling PHP With XHProf
Avatar for Jonathan Klein jklein
1
1.1k

Other Decks in Technology

See All in Technology
Sigmaで作る業務アプリ
Avatar for kazushiro_honma kazushiro_honma
0
120
Omarchy Quattro の日本語設定周り
Avatar for Akira Shimosako simosako
2
140
安心して変更できるWebフロントエンドの作り方
Avatar for Hiroyuki ANAI pirosikick
1
540
越境するなら専門用語を使うな高校校歌 / If you wanna cross border, you shouldn't use jargon
Avatar for VTRyo vtryo
0
120
家のリアーキテクト・リファクタリング
Avatar for Suguru Oki / スー suguruooki
0
110
OpenTelemetryのメトリクスをCloudWatchに送ってPromQLで見てみた
Avatar for Itaru Ota ota1022
0
120
module Synths; end
Avatar for あそなす asonas
1
130
Screen Lens - 今見てる画面を翻訳する
Avatar for komagata komagata
0
250
2026_devsumi_ozono.pdf
Avatar for O3(ozono) o3
2
400
2026-09-10 【Snowflake World Tour Tokyo 2026】dbt Core と Snowflake で実現する多層的なデータガバナンス / Multi-Layered Data Governance Powered by dbt Core and Snowflake
Avatar for civitaspo civitaspo
0
330
From Vanilla Kubernetes to a Batteries-Included Platform: Developer Experience at 1,300+ Clusters
Avatar for yosshi_ yosshi_
0
680
synctest時代のhttptest Go 1.27で変わるHTTPサーバテストの裏側 / go conference2026 synctest and httptest
Avatar for Yoichiro Shimizu budougumi0617
1
2.6k

Featured

See All Featured
Context Engineering - Making Every Token Count
Avatar for Addy Osmani addyosmani
9
1.1k
Sharpening the Axe: The Primacy of Toolmaking
Avatar for Bryan Cantrill bcantrill
46
3k
The Cost Of JavaScript in 2023
Avatar for Addy Osmani addyosmani
55
10k
The Impact of AI in SEO - AI Overviews June 2024 Edition
Avatar for Aleyda Solis aleyda
6
1.2k
Between Models and Reality
Avatar for mayunak mayunak
4
450
What’s in a name? Adding method to the madness
Avatar for The Alliance productmarketing
PRO
24
4.2k
Keith and Marios Guide to Fast Websites
Avatar for Keith Pitt keithpitt
413
23k
How to Build an AI Search Optimization Roadmap - Criteria and Steps to Take #SEOIRL
Avatar for Aleyda Solis aleyda
1
2.2k
Dominate Local Search Results - an insider guide to GBP, reviews, and Local SEO
Avatar for Greg Gifford greggifford
PRO
0
330
B2B Lead Gen: Tactics, Traps & Triumph
Avatar for Sophie Logan marketingsoph
0
240
The SEO identity crisis: Don't let AI make you average
Avatar for Varn varn
0
550
State of Search Keynote: SEO is Dead Long Live SEO
Avatar for Ryan Jones ryanjones
0
270

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