CSS
The four CSS properties that trigger layout
Animate the wrong property and every frame re-measures the page. Animate the right one and the compositor handles it alone.
Archive
May 2026
4 posts
CSS
Writing a design system that survives its second year
Year one is components. Year two is everything the components could not predict, which is where systems die.
Deep dives
Reading a flame graph like a profiler would
Width is time and depth is the call stack. Once those two facts land, most of a trace reads itself.
CSS
content-visibility, measured on a real page
One property that tells the browser to skip work for anything off screen. The numbers are good, and the caveats are real.