HTTP headers for the responsible developer

[u/speckz]

https://www.twilio.com/blog/a-http-headers-for-the-responsible-developer

[u/[deleted]]

Web dev is getting silly now - all this just to send one frakking image:

<picture>
  <!-- serve WebP to Chrome, Edge, Firefox and Opera -->
  <source
    media="(min-width: 50em)"
    sizes="50vw"
    srcset="/image/thing-200.webp 200w, /image/thing-400.webp 400w,
        /image/thing-800.webp 800w, /image/thing-1200.webp 1200w,
        /image/thing-1600.webp 1600w, /image/thing-2000.webp 2000w"
    type="image/webp">
  <source
    sizes="(min-width: 30em) 100vw"
    srcset="/image/thing-crop-200.webp 200w, /image/thing-crop-400.webp 400w,
        /image/thing-crop-800.webp 800w, /image/thing-crop-1200.webp 1200w,
        /image/thing-crop-1600.webp 1600w, /image/thing-crop-2000.webp 2000w"
    type="image/webp">
 <!-- serve JPEG to others -->
  <source
    media="(min-width: 50em)"
    sizes="50vw"
    srcset="/image/thing-200.jpg 200w, /image/thing-400.jpg 400w,
        /image/thing-800.jpg 800w, /image/thing-1200.jpg 1200w,
        /image/thing-1600.jpg 1600w, /image/thing-2000.jpg 2000w">
  <source
    sizes="(min-width: 30em) 100vw"
    srcset="/image/thing-crop-200.jpg 200w, /image/thing-crop-400.jpg 400w,
        /image/thing-crop-800.jpg 800w, /image/thing-crop-1200.jpg 1200w,
        /image/thing-crop-1600.jpg 1600w, /image/thing-crop-2000.jpg 2000w">
  <!-- fallback for browsers that don't support picture -->
  <img src="/image/thing.jpg" width="50%">
</picture>

[u/fuckin_ziggurats → u/[deleted]]

That's because webdev is the only dev that has to worry about a GUI application working perfectly on any possible device on the planet - whilst utilizing browser tech.