Business & Finance
SmartKDP
Last updated 2026-08-20 · benchmark measured 2026-08-20 — deterministic & reproducible
SmartKDP is a browser-based toolkit for creating and publishing KDP puzzle books.
Is SmartKDP production-ready?
Legit.Show scores SmartKDP 87 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on SmartKDP (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 — 79/100
- Accessibility — 96/100
- Security — 60/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 85/100
What we measured
- Security headers present: X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 1107 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
Amazon KDP self-publishers · Low-content book creators · Puzzle book authors · Independent publishers · High-volume publishers
Pricing
Free plan available; Creator $19/month; Publisher $39/month; Studio $59/month; Founders' lifetime $249 once
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