Data & Analytics
Chicago, Ill.
Last updated 2026-08-31 · benchmark measured 2026-08-31 — deterministic & reproducible
Interactive historical map tool for exploring how Chicago has changed over decades.
Is Chicago, Ill. production-ready?
Legit.Show scores Chicago, Ill. 71 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Chicago, Ill. (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Accessibility; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 39/100
- Accessibility — 98/100
- Security — 65/100
- Privacy — 25/100
- Reliability — 92/100
- Standards — 92/100
- Discoverability — 85/100
What we measured
- Security headers present: HSTS, X-Content-Type-Options, Referrer-Policy.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 129 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.
Who it's for
historians · urban planners · researchers · Chicago residents · geography enthusiasts
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