Legit.Show measured PreVibe's Security frame at 25/100. No Content-Security-Policy and no HSTS. Served over HTTPS with a valid certificate.

How does Legit.Show measure PreVibe?

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.

Business & Finance

PreVibe

Last updated 2026-08-29 · benchmark measured 2026-11-08 — deterministic & reproducible

PreVibe is a product research tool built for lean SaaS founders.

85/100

7/7 frames

Top 38% of 18,720 measured · #17 of 49 in startup idea validation

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 2026-11-08 · scores move as sites change

Are you the maker of PreVibe? Claim this listing. It is free, takes a meta tag, a DNS record or GitHub admin rights, and never changes the score.

Launched something? Add your product, free.

To cite this score: legit.show/s/previbe-io/2026-11-08. That address never changes; this page moves with every re-measure.

Legit.Show scored PreVibe 85/100 on 2026-11-08, measured across all 7 frames from its public surface. legit.show/s/previbe-io/2026-11-08

Is PreVibe production-ready?

Legit.Show scores PreVibe 85 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on PreVibe (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 — 99/100
Accessibility — 96/100
Security — 25/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 100/100
How this compares across the catalogue: The Privacy Gap
Reliability — 75/100
Standards — 100/100
Discoverability — 100/100

What we measured

No Content-Security-Policy and no HSTS.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 256 ms to first byte.
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 it's for

SaaS founders · Lean startup founders · Product researchers · Entrepreneurs

Pricing

Explorer $5/pack (4 credits), Builder $9/pack (11 credits, save 35%), Founder $19/pack (26 credits, save 42%)

Sources and updates

Description: Taken from previbe.io's own website on 2026-08-29.
Operator: PreVibe, as named in previbe.io'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 2026-11-08.

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

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