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

Responsive Images using <picture> and srcset/sizes

Avatar for Matt Steele Matt Steele
July 02, 2014
Programming
1.5k
1

Responsive Images using <picture> and srcset/sizes

Avatar for Matt Steele

Matt Steele

July 02, 2014

More Decks by Matt Steele

See All by Matt Steele
Upgrading to Angular 2 using ngUpgrade
Avatar for Matt Steele mattdsteele
0
1.2k
Reactive Programming with RxJS
Avatar for Matt Steele mattdsteele
0
120
GET TO THE CHOPVAR
Avatar for Matt Steele mattdsteele
0
200
Using Source Maps in 2015
Avatar for Matt Steele mattdsteele
0
1.1k
The Decorator Pattern
Avatar for Matt Steele mattdsteele
0
92
Diving Into the Device API
Avatar for Matt Steele mattdsteele
1
900
Unit Testing JavaScript when you're Afraid of JavaScript
Avatar for Matt Steele mattdsteele
3
870
What Zelda Taught Me about Front End Engineering
Avatar for Matt Steele mattdsteele
5
1.2k

Other Decks in Programming

See All in Programming
実装をデザインガイドラインに追従させるための取り組み / 260731-dip-mosh-design-system
Avatar for dachi dachi023
0
7.9k
AIに既存システムを理解させる技術　～レガシーを見捨てないハーネスエンジニアリング入門～
Avatar for Ochtum ochtum
0
170
夏だ！祭りだ！祭りとはドメインモデリングでは？
Avatar for ryugen04 ryugen04
0
440
Webエンジニアなのにブラウザの仕組みがわからないので、Pythonで自作してみた
Avatar for Tatsuki tatsuki12
4
1.1k
30年振りにコンパイラの定数整数除算を改善した
Avatar for herumi herumi
9
4.3k
不幸な GC
Avatar for Chen chencmd
0
810
komatsuna「分散システムにおけるバグ分析手法」
Avatar for こまつな komatsunaqa
0
290
Pythonの実行はどこまで賢くなったのか？ CPythonとPyPyから見る最適化のしくみ
Avatar for curekoshimizu curekoshimizu
4
2.3k
AI Readyの正体はデータマネジメントだ メダリオン2.0の最前線
Avatar for freee freee
PRO
0
430
AI Engineeringは、AIプロダクトだけのものか？ 〜AIがソフトウェアを作る時代の新しい当たり前〜 / No AI in your product. AI Engineering in your development.
Avatar for r-kagaya rkaga
5
550
楽しそうなつよつよエンジニアと目が死んでる僕/A brilliant engineer having a blast, and dead-eyed me.
Avatar for Ryusei Ohkura 3l4l5
2
260
AIと壁打ちしながら進めるコスト管理
Avatar for Ryoma Fujiwara fufuhu
2
1.8k

Featured

See All Featured
Easily Structure & Communicate Ideas using Wireframe
Avatar for Afnizar Nur Ghifari afnizarnur
194
17k
We Are The Robots
Avatar for Honza Javorek honzajavorek
0
310
Bootstrapping a Software Product
Avatar for Garrett Dimon garrettdimon
PRO
306
120k
WENDY [Excerpt]
Avatar for Tessa Abrams tessaabrams
12
39k
Reality Check: Gamification 10 Years Later
Avatar for Sebastian Deterding codingconduct
0
2.3k
Learning to Love Humans: Emotional Interface Design
Avatar for Aarron Walter aarron
275
41k
Groundhog Day: Seeking Process in Gaming for Health
Avatar for Sebastian Deterding codingconduct
0
310
Into the Great Unknown - MozCon
Avatar for Noah Learner thekraken
41
2.7k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
Avatar for panda_program panda_program
123
22k
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
62k
How To Stay Up To Date on Web Technology
Avatar for Chris Coyier chriscoyier
790
250k
Navigating Weather and Climate Data
Avatar for Ryan Abernathey rabernat
0
490

Transcript

  1. Responsive Images @mattdsteele

  2. THIS IS WHY YOU’RE FAT

  3. We’ve put on a little weight.

  4. http://httparchive.org/trends.php#bytesTotal&reqTotal

  5. http://httparchive.org/trends.php#bytesTotal&reqTotal Total Page Weight File Size (KB) 1400 1550 1700

    1850 July August September October NovemberDecember January February March April May June

  6. http://httparchive.org/trends.php#bytesTotal&reqTotal Total Page Weight File Size (KB) 1400 1550 1700

    1850 July August September October NovemberDecember January February March April May June 1485kb 1521kb 1551kb 1590kb 1614kb 1701kb 1681kb 1710kb 1728kb 1762kb 1775kb 1808kb

  7. http://httparchive.org/interesting.php Bytes Per Page by Content Type

  8. http://httparchive.org/interesting.php Images Bytes Per Page by Content Type

  9. http://httparchive.org/interesting.php HTML Other Flash Stylesheets Scripts Images Bytes Per Page

    by Content Type

  10. RETINA- POCALYPSE

  11. None

  12. iPhone 3GS

  13. 320x480 iPhone 3GS

  14. 320x480 iPhone 3GS iPhone 4

  15. 320x480 640x960 (2x) iPhone 3GS iPhone 4

  16. HTC One

  17. 1920x1080 (3x) HTC One

  18. “Let’s make it responsive!”

  19. Nexus 10

  20. 2560x1600 (2x) Nexus 10

  21. 2880x1800 (1.6x) MacBook Pro with Retina Display

  22. None
  23. None
  24. None

  25. 320x213 41kb

  26. 320x213 41kb

  27. 320x213 41kb 640x425 137kb

  28. None

  29. 1280x852 400kb

  30. 72% Responsive sites serve the same content to desktop &

    mobile http://www.guypo.com/uncategorized/real-world-rwd-performance-take-2/

  31. Ugh.

  32. Shortcut: <SVG>

  33. <img src="logo.svg">

  34. 9+ SVG

  35. Grunticon github.com/filamentgroup/grunticon

  36. "Vectors are for chumps. I need bitmaps."

  37. None

  38. <picture>

  39. <picture> <img src="fallback.png"> </picture>

  40. <picture> <source media="(min-width: 1000px)" srcset="large.png"> <source media="(min-width: 640px)" srcset="medium.png"> <img

    src="fallback.png"> </picture>

  41. <picture> <source media="(min-width: 1000px)" srcset="large.webp" type="image/webp"> <source media="(min-width: 1000px)" srcset="large.png">

    <source media="(min-width: 640px)" srcset="medium.png"> <img src="fallback.png"> </picture>
  42. None
  43. None
  44. None

  45. Art Direction

  46. <picture> 38 33 Under Consideration

  47. None
  48. None

  49. Screen Size ⊆ What You Need

  50. None

  51. Viewport Size

  52. Viewport Size Screen Density

  53. Viewport Size Rendered Size Screen Density

  54. Viewport Size Rendered Size Screen Density Image Dimensions

  55. Viewport Size Rendered Size Screen Density Image Dimensions Browser knows?

  56. Viewport Size Rendered Size Screen Density Image Dimensions Browser knows?

    ✓

  57. Viewport Size Rendered Size Screen Density Image Dimensions Browser knows?

    ✓ ✓

  58. Viewport Size Rendered Size Screen Density Image Dimensions Browser knows?

    ✓ ✓ ✗

  59. Viewport Size Rendered Size Screen Density Image Dimensions Browser knows?

    ✓ ✓ ✗ ✗

  60. Viewport Size Rendered Size Screen Density Image Dimensions

  61. Viewport Size Rendered Size Screen Density Image Dimensions Author knows?

  62. Viewport Size Rendered Size Screen Density Image Dimensions Author knows?

    ✗ ✗ ✓ ✓

  63. srcset & sizes

  64. Image dimensions srcset="large.jpg 1200w, medium.jpg 640w, small.jpg 320w"

  65. Image dimensions URL srcset="large.jpg 1200w, medium.jpg 640w, small.jpg 320w"

  66. Image dimensions Width URL srcset="large.jpg 1200w, medium.jpg 640w, small.jpg 320w"

  67. Rendered Size sizes="(min-width: 1024px) 300px, (min-width: 640px) 50vw, 100vw"

  68. Rendered Size For this MQ: sizes="(min-width: 1024px) 300px, (min-width: 640px)

    50vw, 100vw"

  69. Rendered Size For this MQ: Image renders this big sizes="(min-width:

    1024px) 300px, (min-width: 640px) 50vw, 100vw"

  70. Rendered Size For this MQ: Image renders this big Default

    sizes="(min-width: 1024px) 300px, (min-width: 640px) 50vw, 100vw"

  71. <img src="small.jpg" alt="A responsive image" srcset="large.jpg 1200w, medium.jpg 640w, small.jpg

    320w" sizes="(min-width: 1024px) 300px, (min-width: 640px) 50vw, 100vw">

  72. Screen Densities

  73. Configurable

  74. Configurable •HD Mode

  75. Configurable •HD Mode •Speed Mode

  76. Configurable •HD Mode •Speed Mode •Crappy Network Mode

  77. srcset 32 Under Consideration

  78. Fallbacks built-in

  79. Or: Picturefill http://scottjehl.github.io/picturefill/

  80. Go Forth And Get Skinny

  81. @mattdsteele flic.kr/p/7TH4dc