Developer Tools
FanoutFox
Last updated 2026-07-16 · benchmark measured 2026-08-09 — deterministic & reproducible
Chrome extension that reveals how ChatGPT selects sources and cites brands.
Is FanoutFox production-ready?
Legit.Show scores FanoutFox 87 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on FanoutFox (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Performance. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 52/100
- Accessibility — 93/100
- Security — 80/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 86/100
- Discoverability — 100/100
What we measured
- Security headers present: CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
- No HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 98 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
Who built it
Suganthan Mohanadasan (@suganthan)
Who it's for
SEO professionals · Content marketers · Brand managers · AI search researchers · Agency teams
Pricing
Free
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