Responsive images have landed

An introduction to responsive images standards: , @srcset and @sizes.

Transcript

1. Responsive
   images
   !
   Derek Johnson
   

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2. 
   

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5. • Resolution switching
   • Viewport based
   • Pixel density
   • Art direction
   • Design breakpoints
   • Media types
   • Relative units
   • Image formats
   • User control of source
   

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6. srcset>
   

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7. srcset=
   “cat.jpg 1x, cat2.jpg 2x”
   

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11. srcset=
    “cat.jpg 300w, cat2.jpg 600w”
    

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19. srcset=
    “cat.jpg 300w, cat2.jpg 600w”
    sizes=
    “(min-width:50em) 30vw,
    (min-width:20em) 50vw,
    100vw”
    

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27. 
    
    
    
    
    

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28. 
    
    
    
    
    

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29. 
    sizes="(min-width:78.947em) 18.75em,
    (min-width:74em) 23.75vw,
    (min-width:60em) 31.6666667vw,
    (min-width:38em) 47.5vw,
    95vw"
    type="image/webp">
    sizes="(min-width:78.947em) 18.75em,
    (min-width:74em) 23.75vw,
    (min-width:60em) 31.6666667vw,
    (min-width:38em) 47.5vw,
    95vw"
    type="image/jpeg">
    
    
    

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30. browser support
    

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31. polyfill
    

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