AI & Agents

OpenSEO

Last updated 2026-06-26 · benchmark checked 2026-08-09 · unchanged since 2026-08-02 — deterministic & reproducible

Open-source SEO platform covering keywords, backlinks, audits, and AI visibility.

Is OpenSEO production-ready?

Legit.Show scores OpenSEO 80 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on OpenSEO (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 — 83/100
• Accessibility — 95/100
• Security — 25/100
• Privacy — 70/100
• Reliability — 100/100
• Standards — 100/100
• Discoverability — 85/100

What we measured

• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 448 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.
• Discoverable: sitemap, OpenGraph image, canonical URL.

Who built it

Ben Senescu (@bensenescu)

Who it's for

SEO professionals · Content strategists · Competitors analysts · AI agent developers · Self-hosted tool builders

Pricing

Managed Base Plan $20/month includes keyword research, backlinks, rank tracking, site audits, MCP server, and $20 usage credits; self-hosted free via GitHub with your own API keys.

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