Legit.Show measured Sonar's Security frame at 85/100. 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 Sonar?

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

Sonar

Last updated 2026-08-03 · benchmark measured 2026-09-21 — deterministic & reproducible

Sonar provides code quality and security verification tools for development teams.

74/100

7/7 frames

Top 63% of 14,138 measured · #21 of 35 in vulnerability scanner

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 2026-09-21 · scores move as sites change

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To cite this score: legit.show/s/sonarsource-com/2026-09-21. That address never changes; this page moves with every re-measure.

Legit.Show scored Sonar 74/100 on 2026-09-21, measured across all 7 frames from its public surface. legit.show/s/sonarsource-com/2026-09-21

Is Sonar production-ready?

Legit.Show scores Sonar 74 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Sonar (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 44/100
Accessibility — 97/100
Security — 85/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 0/100
How this compares across the catalogue: The Privacy Gap
Reliability — 100/100
Standards — 89/100
Discoverability — 100/100

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 — 273 ms to first byte.
Returns a proper 404 for unknown routes.
3 of 3 sampled routes reachable.
No privacy policy found.
Sets cookies / loads scripts with no consent prompt.
Discoverable: structured data, sitemap, OpenGraph image, canonical URL.

Who built it

Olivier Gaudin · product account @SonarSource

Who it's for

Development teams · Enterprise organizations · Platform engineers · Security-focused teams · Open source projects

Pricing

Team plan starts at $34/month; Pro plan $40/user/month (billed annually); Enterprise custom pricing; 14-day free trial available

Sources and updates

Description: Taken from sonarsource.com's own website on 2026-08-03.
Operator: SonarSource Sàrl, as named in sonarsource.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 2026-09-21.

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

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