The auto sizes attribute: A breakthrough in responsive image authoring

For you, just a handful of characters will mean improvements to the fundamental ergonomics of working with images.

For users, it will mean invisible, seamless, and potentially massive improvements to front-end performance, forever stitched into the fabric of the web.

For me, it means the time has finally come to confess to my sinister machinations — a confession almost a decade and a half in the making.

The sizes attribute has been a necessary evil but now, with an auto value capability, it's completely transformed authoring responsive images on the web.