Granola Blog company blog
Don't animate height
Our app was mysteriously using 60% CPU and 25% GPU on my M2 MacBook. It turned out this was due to a tiny CSS animation! In this post, I show how to find expensive animations, why some are so expensive, and how to make many animations much cheaper. Along the way, we'll learn how the browser renders CSS animations and…
- Points
- 460
- HN comments
- 268
- Submissions
- 1
- Cited by
- 3 commenters
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Jul 19, 2025 | Don't animate height by birdculture | 460 | 268 |
Cited in comments
Linked from 3 Hacker News comments by 3 different people, from Mar 2025 to Oct 2025.
Most recent:
- cratermoon · Oct 7, 2025
- troupo · Aug 6, 2025
- robocat · Mar 4, 2025
