Developer Tools
Storybook
Last updated 2026-08-03 · benchmark measured 2026-08-09 — deterministic & reproducible
Storybook is an open-source frontend workshop for building UI components in isolation.
Is Storybook production-ready?
Legit.Show scores Storybook 66 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Storybook (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 60/100
- Accessibility — 78/100
- Security — 40/100
- Privacy — 25/100
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 70/100
What we measured
- Security headers present: HSTS, X-Content-Type-Options.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 2729 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
Who built it
product account @storybookjs
Who it's for
Frontend developers · UI teams · Design system maintainers · QA engineers · Component library builders
Pricing
Open source and free
Visit Storybook → · Alternatives to Storybook → · How this was measured →