Developer Tools
Heron
Last updated 2026-06-25 · benchmark measured 2026-08-09 — deterministic & reproducible
Passive LLM and agent observability by capturing traffic from the network wire.
67/100
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 Heron production-ready?
Legit.Show scores Heron 67 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Heron (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 — 89/100
- Accessibility — 94/100
- Security — 45/100
- Privacy — 25/100
- Reliability — 67/100
- Standards — 92/100
- Discoverability — 57/100
What we measured
- Security headers present: X-Content-Type-Options, Referrer-Policy.
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 86 ms to first byte.
- 0 of 0 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: sitemap.
Who it's for
AI engineers · DevOps teams · LLM developers · Agent builders · Operations teams
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