Legit.Show measured Semrush's Security frame at 70/100. Security headers present: HSTS, X-Frame-Options, X-Content-Type-Options. Served over HTTPS with a valid certificate.

How does Legit.Show measure Semrush?

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.

Data & Analytics

Semrush

Last updated 2026-08-03 · benchmark measured 2026-09-14 — deterministic & reproducible

Semrush is an online platform for SEO, keyword research, and AI search visibility.

84/100

7/7 frames

Top 30% of 14,148 measured · #17 of 36 in seo platform

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 2026-09-14 · scores move as sites change

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To cite this score: legit.show/s/semrush-com/2026-09-14. That address never changes; this page moves with every re-measure.

Legit.Show scored Semrush 84/100 on 2026-09-14, measured across all 7 frames from its public surface. legit.show/s/semrush-com/2026-09-14

Is Semrush production-ready?

Legit.Show scores Semrush 84 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Semrush (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Performance. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 51/100
Accessibility — 97/100
Security — 70/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 75/100
How this compares across the catalogue: The Privacy Gap
Reliability — 100/100
Standards — 97/100
Discoverability — 100/100

What we measured

Security headers present: HSTS, X-Frame-Options, X-Content-Type-Options.
No Content-Security-Policy.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 441 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 built it

product account @semrush

Who it's for

Freelancers · Small businesses · Agencies · Marketing teams · Enterprise organizations

Pricing

From $117.33/month (annual billing) for SEO plan up to $455.67/month for Advanced plan; custom enterprise pricing available

Sources and updates

Description: Taken from semrush.com's own website on 2026-08-03.
Operator: Semrush, as named in semrush.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 2026-09-14.

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

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