Legit.Show measured Mercury's Security frame at 80/100. Security headers present: CSP, HSTS, X-Frame-Options. Served over HTTPS with a valid certificate.

How does Legit.Show measure Mercury?

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

Mercury

Last updated 2026-08-03 · benchmark measured 2026-09-12 — deterministic & reproducible

Business banking platform with free accounts and tiered paid plans for growing companies.

83/100

7/7 frames

Top 34% of 14,510 measured

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 2026-09-12 · scores move as sites change

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To cite this score: legit.show/s/mercury-com/2026-09-12. That address never changes; this page moves with every re-measure.

Legit.Show scored Mercury 83/100 on 2026-09-12, measured across all 7 frames from its public surface. legit.show/s/mercury-com/2026-09-12

Is Mercury production-ready?

Legit.Show scores Mercury 83 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Mercury (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Performance. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 30/100
Accessibility — 96/100
Security — 80/100
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 — 76/100
Discoverability — 100/100

What we measured

Security headers present: CSP, HSTS, X-Frame-Options.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 146 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

Immad (@immad) · product account @mercury

Who it's for

Startups · Small businesses · Scaling companies · Entrepreneurs · Ecommerce businesses

Pricing

Free base plan; Mercury Plus $29.90/mo; Mercury Pro $299/mo; paid plans start at $35/mo for advanced features

Sources and updates

Description: Taken from mercury.com's own website on 2026-08-03.
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 2026-09-12.

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

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