Problem:
Motion that becomes distracting 

in smaller spaces
:(
Simplify For 

Smaller Spaces
Problem:
Animation that isn’t readable 

on smaller viewports
:(
Responsive
Choreography
Solution 1:
JavaScript & multiple timelines to the rescue!
1 2 3
1 timeline
3
2
1 timeline
timeline
timeline
Solution 2:
Responsive SVG to the rescue!
Responsive SVG Animation
Different CSS animations at different breakpoints
Adjusting SVG viewBox property with JavaScript
breakpoints
See Sarah Drasner’s Complex Animations slides: 

slides.com/sdrasner/cssdevcon
Solution 3:
Art Direction to the rescue!
Animation
& Performance
Problem:
Animation that is slow and sad on less

powerful devices
:(
Most Performant Properties
transforms (position, scale, rotation…)
opacity
csstriggers.com
More Tricks
the translate 3D “hack”
the will-change property
dev.opera.com/articles/css-will-change-property/
Problem:
Everyone hates waiting but loading
things takes time
:(
Perceived Performance
Hinting at content before it’s actually available
makes wait times feel faster.
“Our findings indicate that the
psychological mechanism of
transitions is completely different
from progress bars”
viget.com/inspire/experiments-in-loading-how-long-will-you-wait
@vlh
uianimationewsletter.com

Animation In Responsive Design