Forward to the 16:00 mark to get a good overview of how browsers go from receiving a tad of CSS to actual pixels on screen, a process known as the rendering pipeline:
- Recalc styles
- Layout
- Paint
- Composite Layers
If you like reading more than watching a video, a write-up is also available: Pixels are expensive →
Note: If you’ve been reading the posts here on bram.us tagged performance, you’ll most likely already know this stuff. It’s a good refresher nonetheless.
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