HCI.TOP
R3.07

Image and Media Optimization

Cards in this group · 6

  1. R3.07.1Size and format must be generated per use case
  2. R3.07.2Undeclared dimensions cause layout jump
  3. R3.07.3Autoplay consumes bandwidth and attention
  4. R3.07.4Off-viewport media is deferred; in-viewport media is prioritized
  5. R3.07.5Placeholder color close to the final image reduces pop
  6. R3.07.6Media fallback chains must cover decode failure and unsupported formats