CSS Stats Report
GitHub.com
GitHub's Primer-based design system shows up clearly in the stats: predictable selectors, a calm color palette, and a sane number of font sizes for an app of its size.
Published
Jul 15, 2025, 3:00 PM
Paths
Style Sheets
6
Style Elements
2
Total Unique Font Sizes
11
Total Unique Colors
42
ID Selectors
31
Universal Selectors
1
Unqualified Attribute Selectors
8
JavaScript Specific Selectors
19
Important Keywords
23
Float Properties
12
Average of Cohesion
4.213
Lowest Cohesion
14
Lowest Cohesion Selector
.Header
Reading the numbers
- High average cohesion suggests selectors group related declarations tightly — the design-system payoff.
- Font-size variance is constrained for an app of this scale, hinting at a shared type scale.