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

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

Jonathan Klein
November 15, 2013
Technology
1
390

Upgrading the Web - Driving Support For New Standards

I gave this talk at Velocity London 2013.

Slides and links available at jkle.in/upgrade

Jonathan Klein

November 15, 2013
Tweet

More Decks by Jonathan Klein

See All by Jonathan Klein
Cognitive Biases in Engineering Organizations - Craft Conf
jklein
15
390
Demystifying SPDY and HTTP/2
jklein
1
620
Demystifying SPDY and HTTP/2
jklein
2
1.1k
Cognitive Biases in Engineering Organizations
jklein
4
1.9k
Composer: From Beginner to Expert
jklein
1
930
Upgrading the Web: Boston Web Performance Meetup
jklein
1
290
Upgrading the Web: Driving Support For New Standards
jklein
1
780
Northeastern Lunch and Learn
jklein
0
230
Profiling PHP With XHProf
jklein
1
1k

Other Decks in Technology

See All in Technology
ワールドカフェI ／チューターを改良する / World Café I and Improving the Tutors
ks91
PRO
0
120
PagerDuty×ポストモーテムで築く障害対応文化/Building a culture of incident response with PagerDuty and postmortems
aeonpeople
1
180
アジャイル脅威モデリング#1（脅威モデリングナイト#8）
masakane55
3
200
バックオフィス向け toB SaaS バクラクにおけるレコメンド技術活用 / recommender-systems-in-layerx-bakuraku
yuya4
6
540
SREの視点で考えるSIEM活用術 〜AWS環境でのセキュリティ強化〜
coconala_engineer
1
290
ここはMCPの夜明けまえ
nwiizo
23
8.2k
地味にいろいろあった！ 2025春のAmazon Bedrockアップデートおさらい
minorun365
PRO
1
140
AWS全冠芸人が見た世界 ～資格取得より大切なこと～
masakiokuda
5
6.1k
SREからゼロイチプロダクト開発へ ー越境する打席の立ち方と期待への応え方ー / Product Engineering Night #8
itkq
2
850
バクラクの認証基盤の成長と現在地 / bakuraku-authn-platform
convto
1
580
Cross Data Platforms Meetup LT 20250422
tarotaro0129
1
630
SDカードフォレンジック
su3158
1
620

Featured

See All Featured
A Tale of Four Properties
chriscoyier
158
23k
Measuring & Analyzing Core Web Vitals
bluesmoon
7
390
A Modern Web Designer's Workflow
chriscoyier
693
190k
Building a Modern Day 
E-commerce SEO Strategy
aleyda
40
7.2k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
29
9.4k
Making the Leap to Tech Lead
cromwellryan
133
9.2k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
507
140k
Site-Speed That Sticks
csswizardry
5
490
YesSQL, Process and Tooling at Scale
rocio
172
14k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
How to Ace a Technical Interview
jacobian
276
23k

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