AI & Agents

Ruben Marcus

Last updated 2026-08-15 · benchmark measured 2026-09-16 — deterministic & reproducible

Portfolio and hire page for Ruben Marcus, an AI fullstack engineer based in Lisbon.

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To cite this score: legit.show/s/rubenmarcus-dev/2026-09-16. That address never changes; this page moves with every re-measure.

Legit.Show scored Ruben Marcus 77/100 on 2026-09-16, measured across 6 of 7 frames from its public surface. legit.show/s/rubenmarcus-dev/2026-09-16

Is Ruben Marcus production-ready?

Legit.Show scores Ruben Marcus 77 out of 100 — the simple average of its 6 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Ruben Marcus (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. 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 — 45/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 70/100
  How this compares across the catalogue: The Privacy Gap
• Reliability — 100/100
• Standards — 75/100
• Discoverability — 90/100

What we measured

• Security headers present: HSTS.
• No Content-Security-Policy.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 175 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

Ruben Marcus (@rubenmarcus_dev)

Who it's for

Companies hiring for AI engineering · Teams building agent systems · Businesses needing AEO optimization · Startups prototyping AI products · Organizations seeking frontend modernization

Sources and updates

Description

Taken from rubenmarcus.dev's own website on 2026-08-15.

Operator

Ruben Marcus, as named in rubenmarcus.dev's terms, privacy page or footer.

Benchmark

Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-09-16.

Put together from public information, without Ruben Marcus's involvement. If anything here is wrong, tell us and a person will check it.

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