Developer Tools
JSON Hero
Last updated 2026-06-06 · benchmark measured 2026-08-09 — deterministic & reproducible
A web-based JSON viewer with search, schema inference, and shareable links.
72/100
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 JSON Hero production-ready?
Legit.Show scores JSON Hero 72 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on JSON Hero (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 89/100
- Accessibility — 80/100
- Security — 25/100
- Privacy — 70/100
- Reliability — 100/100
- Standards — 79/100
- Discoverability — 60/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 938 ms to first byte.
- Returns a proper 404 for unknown routes.
- 2 of 2 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: OpenGraph image.
Who it's for
Developers · Data analysts · API consumers · JSON users
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