Srcset and sizes attributes

- LS

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).

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Edge

  1. 12: Partial support
  2. 13 - 15: Not supported
  3. 16 - 79: Supported
  4. 80: Supported

Firefox

  1. 2 - 31: Not supported
  2. 32 - 37: Disabled by default
  3. 38 - 71: Supported
  4. 72: Supported
  5. 73 - 74: Supported

Chrome

  1. 4 - 33: Not supported
  2. 34 - 37: Partial support
  3. 38 - 79: Supported
  4. 80: Supported
  5. 81 - 83: Supported

Safari

  1. 3.1 - 7: Not supported
  2. 7.1 - 8: Partial support
  3. 9 - 12.1: Supported
  4. 13: Supported
  5. TP: Supported

Opera

  1. 9 - 20: Not supported
  2. 21 - 24: Partial support
  3. 25 - 65: Supported
  4. 66: Supported

iOS Safari

  1. 3.2 - 7.1: Not supported
  2. 8 - 8.4: Partial support
  3. 9 - 13.1: Supported
  4. 13.2: Supported
  5. 13.3: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 76: Supported

Blackberry Browser

  1. 7: Not supported
  2. 10: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 46: Supported

Chrome for Android

  1. 79: Supported

Firefox for Android

  1. 68: Supported

IE Mobile

  1. 10: Not supported
  2. 11: Not supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 9.2: Supported
  2. 10.1: Supported

QQ Browser

  1. 1.2: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Supported
Resources:
MDN: Responsive images
MDN: <img> element
Blog post on srcset & sizes
Improved support for high-resolution displays with the srcset image attribute