CSS Feature Support Checker

Test CSS feature support on any browser - smart TVs, embedded devices, and non-standard environments.

Motion & Timeline

Scroll-driven and timeline controlled UI animation primitives.

  • ⏳ Scroll-Linked Animations

    Synchronize animation progress to scroll offsets.

    animation-timeline: scroll()MDN
  • ⏳ View Timelines

    Trigger effects as elements intersect a scrollport.

    view-timeline-name: noneMDN
  • ⏳ animation-range

    Control animation progress range along timeline.

    animation-range: entry 0% exit 100%MDN
  • ⏳ High-Frame Animations

    Ensure browsers can address 120Hz+ animation-timing-function.

    animation-timing-function: linear(0, 0.3, 1)MDN
  • ⏳ View Transitions

    Smooth page and state transitions with native browser support.

    view-transition-name: mainMDN
  • ⏳ Individual Transform Properties

    Animate translate, rotate, scale independently in keyframes.

    translate: 50px 100pxMDN
  • ⏳ interpolate-size

    Enable smooth animations to auto height/width values.

    interpolate-size: allow-keywordsMDN