Data & Analytics
dataprep.dev
Last updated 2026-07-30 · benchmark measured 2026-07-30 — deterministic & reproducible
Browser-based data cleaning and conversion toolkit that runs entirely on your device.
Overall production-readiness score — reserved
Legit.Show benchmarked dataprep.dev across all seven frames. The single overall score is shown to the verified maker; the frame-by-frame breakdown is public below.
Is dataprep.dev production-ready?
Legit.Show ran its deterministic 7-Frame production-readiness benchmark on dataprep.dev (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Security. The per-frame breakdown is public on the Legit.Show listing; the single overall production-readiness score is reserved for the verified maker.
The 7 Frames
- Performance — 99/100
- Accessibility — 96/100
- Security — 45/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 100/100
- Discoverability — 72/100
What we measured
- Security headers present: X-Content-Type-Options, Referrer-Policy.
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 116 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
Data analysts · E-commerce operators · Finance professionals · Developers · Privacy-conscious users