Development & Design
The Unused CSS Problem and Why Dead Styles Keep Piling Up
Every stylesheet accumulates ghosts. Rules written for a component that no longer exists, overrides for a layout that was redesigned two years ago, colours def…
Open source · Node.js
Numbers that tell you when your CSS is getting away from you.
StyleStats parses any HTML or CSS document and produces a small set of metrics — selectors, colors, font sizes, cohesion, !important usage — that act as an early warning system for stylesheet complexity.
# install
$ npm install -g stylestats
# run
$ stylestats path/to/file.css
→ Total Stylesheets: 1
→ Selectors: 245
→ Unique Colors: 23
→ !important Keywords: 4
View test results for popular sites
Sample reports we keep on file — pick one to see the metrics.
#
Quantify complexity
Count selectors, unique colors, font sizes, and float properties — the signals that drift first.
∑
Track cohesion
Average and lowest cohesion scores reveal selectors that try to do too much at once.
⌥
Catch !important drift
Spot specificity wars before they become impossible to untangle.
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