Legit.Show measured Lecsium's Security frame at 80/100. Security headers present: HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy. Served over HTTPS with a valid certificate.

How does Legit.Show measure Lecsium?

Legit.Show scores seven frames — Performance, Accessibility, Security, Privacy, Reliability, Standards and Discoverability — deterministically from the public surface (URL, HTTP headers, real Lighthouse), with no LLM in the scoring path. See legit.show/methodology.

Education & Reference

Lecsium

Last updated 2026-07-07 · benchmark measured 2026-11-02 — deterministic & reproducible

Lecsium is a language-learning platform that teaches through reading stories.

94/100

7/7 frames

Top 9% of 18,529 measured · #17 of 96 in language learning app

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.

Checked 2026-11-02 · scores move as sites change

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To cite this score: legit.show/s/lecsium-com/2026-11-02. That address never changes; this page moves with every re-measure.

Legit.Show scored Lecsium 94/100 on 2026-11-02, measured across all 7 frames from its public surface. legit.show/s/lecsium-com/2026-11-02

Is Lecsium production-ready?

Legit.Show scores Lecsium 94 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Lecsium (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 97/100
Accessibility — 95/100
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 — 100/100
Discoverability — 87/100

What we measured

Security headers present: HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
No Content-Security-Policy.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 1152 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

Julian Sun · product account @LecsiumApp

Who it's for

Language learners · Students · Bilingual learners · Self-study learners

Pricing

Free (3 novels); €2.99-€3.99/month (Reader/Student); €6.99/month (Author); €14.99/month (Ultra)

Sources and updates

Description: Taken from lecsium.com's own website on 2026-07-07.
Operator: Lecsium, as named in lecsium.com'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 2026-11-02.

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

Visit Lecsium → · Alternatives to Lecsium → · How this was measured →