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The Book of Uncertain Light
Last updated 2026-07-09 · benchmark measured 2026-08-11 — deterministic & reproducible
A book written in the space between knowing and not knowing, offered to those who come after.
64/100
Legit Benchmark — the simple average of 7 measured frames. Frames we could not measure are left out of the average, never counted as zero. Every frame is shown below with its evidence.
Is The Book of Uncertain Light production-ready?
Legit.Show scores The Book of Uncertain Light 64 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on The Book of Uncertain Light (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 — 66/100
- Accessibility — 91/100
- Security — 25/100
- Privacy — 25/100
- Reliability — 92/100
- Standards — 92/100
- Discoverability — 60/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 238 ms to first byte.
- Returns a proper 404 for unknown routes.
- 0 of 0 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: OpenGraph image.
Visit The Book of Uncertain Light → · How this was measured →