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

How does Legit.Show measure QuietDiff?

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.

Developer Tools

QuietDiff

Last updated 2026-11-06 · benchmark measured 2026-11-06 — deterministic & reproducible

Web monitoring service that filters noise and re-checks changes before sending alerts.

94/100

7/7 frames

Top 11% of 19,084 measured · #3 of 12 in website change monitoring

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 2026-11-06 · scores move as sites change

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To cite this score: legit.show/s/quietdiff-com/2026-11-06. That address never changes; this page moves with every re-measure.

Legit.Show scored QuietDiff 94/100 on 2026-11-06, measured across all 7 frames from its public surface. legit.show/s/quietdiff-com/2026-11-06

Is QuietDiff production-ready?

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

The 7 Frames

Performance — 100/100
Accessibility — 95/100
Security — 100/100
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 — 89/100
Discoverability — 72/100

What we measured

Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 212 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.

Who it's for

Developers · Product managers · Side project builders · Teams · Enterprises

Pricing

Free ($0/month, 10 monitors, daily checks); Starter ($9/month, 100 monitors, hourly checks); Pro ($29/month, 500 monitors, 10-minute checks); Agency ($99/month, 3,000 monitors, 5-minute checks)

Sources and updates

Description: Taken from quietdiff.com's own website on 2026-11-06.
Operator: Kendall Sorenson, as named in quietdiff.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 2026-11-06.

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

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