1. Resize Observer

    Method for observing and reacting to changes to sizes of DOM elements.

  2. Srcset and sizes attributes

    The `srcset` and `sizes` attributes on `img` (or `source`) elements allow authors to define various image resources and "hints" that assist a user agent to determine the most appropriate image source to display (e.g. high-resolution displays, small monitors, etc).

  3. htmlimageelement api: sizes

  4. htmllinkelement api: imagesizes

  5. htmllinkelement api: sizes

  6. htmlsourceelement api: sizes

  7. css property: aspect-ratio

  8. html element: img: sizes

  9. html element: link: imagesizes

  10. html element: link: sizes

  11. html element: source: sizes