Developer Tools

SEO Score API

Last updated 2026-09-18 · benchmark measured 2026-09-18 — deterministic & reproducible

A hosted REST API that returns a scored SEO audit for any URL in about two seconds.

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To cite this score: legit.show/s/seoscoreapi-com/2026-09-18. That address never changes; this page moves with every re-measure.

Legit.Show scored SEO Score API 89/100 on 2026-09-18, measured across 6 of 7 frames from its public surface. legit.show/s/seoscoreapi-com/2026-09-18

Is SEO Score API production-ready?

Legit.Show scores SEO Score API 89 out of 100 — the simple average of its 6 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on SEO Score API (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Standards. 6 of the seven frames returned a score; Accessibility was not measurable on this service and is recorded as null — not as zero. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 80/100
• Accessibility — not measurable on this service (null — not scored as 0)
• Security — 80/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 100/100
  How this compares across the catalogue: The Privacy Gap
• Reliability — 100/100
• Standards — 75/100
• 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 — 114 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 it's for

Developers · Agencies · CI/CD pipelines · AI agents · SEO teams

Pricing

Free tier (2 audits/day, 55 checks); Starter $5/mo; Basic $15/mo; Pro $39/mo; Ultra $99/mo. Deep Site Audit credits also available ($29 for 3 audits; $79 for 10; $199 for 30; $499 for 100).

Visit SEO Score API → · Alternatives to SEO Score API → · How this was measured →