Education & Reference
Lecsium
Last updated 2026-07-07 · benchmark measured 2026-08-09 — deterministic & reproducible
Lecsium is a language-learning platform that teaches through reading stories.
Is Lecsium production-ready?
Legit.Show scores Lecsium 82 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 — 76/100
- Accessibility — 82/100
- Security — 25/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 100/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 3109 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: structured data, sitemap, OpenGraph image, canonical URL.
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)
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