Design Systems · Evaluation
Google Stitch
Compliance Index score
52.5/100 · F
↓ 4.0 pts since last week (56.5 → 52.5)
Per-category breakdown
Each category is scored independently. The cohort average shows how this site compares to the 30-site cohort in each dimension.
Evaluation
Google Stitch scores 52.5/F on the Designesy Compliance Index — 7 of 40 checks passed, 3 failed, 23 warned, 4 skipped. The cohort mean is 62.2/D across 30 scored sites. Google Stitch sits 16% below the cohort mean.
Strongest category: Identity at 75.0%. Weakest scored category: Interaction at 0.0%. The gap between best and worst is the finding — most systems are strong in one dimension and absent in another.
Since last week's score, Google Stitch dropped by 4.0 points — moving from 56.5 to 52.5.
The engine detected only 2 custom properties at :root — tokens are minimal or absent.
F-grade means Google Stitch scores below 60 — the contract's pass threshold. The failing checks are not subjective: they are missing CSS primitives that the contract requires at :root.
This evaluation is deterministic — no LLM, no human judgment, no survey. The same 40-check engine that scored Google Stitch scores every site on the leaderboard. Re-score stitch.withgoogle.com live to see if anything has changed since 2026-08-03.
Scored 2026-08-03 against contract v0.4.0 (40 checks, 14 weighted categories). Re-scored weekly via GitHub Action.
Compared to Design Systems peers
Google Stitch ranks #11 of 14 in the Design Systems category.
Cohort context
This site
52.5/100
Cohort mean
62.2/100
Cohort median
62.6/100
Delta from mean
-9.7
Why this site is scored
DESIGN.md ecosystem