Legit.Show measured posthog's Security frame at 45/100. Security headers present: HSTS. Served over HTTPS with a valid certificate.

How does Legit.Show measure posthog?

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.

Web · OSS

posthog

Source: PostHog/posthog · ★ 34978 · Python

Last updated 2026-06-11 · benchmark measured 2026-09-20 — deterministic & reproducible

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship fe

78/100

7/7 frames

Top 51% of 14,148 measured · #22 of 37 in web analytics

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 2026-09-20 · scores move as sites change

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

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To cite this score: legit.show/s/gh-posthog-posthog/2026-09-20. That address never changes; this page moves with every re-measure.

Legit.Show scored posthog 78/100 on 2026-09-20, measured across all 7 frames from its public surface. legit.show/s/gh-posthog-posthog/2026-09-20

Is posthog production-ready?

Legit.Show scores posthog 78 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on posthog (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 — 23/100
Accessibility — 84/100
Security — 45/100
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 — 92/100
Discoverability — 100/100

What we measured

Security headers present: HSTS.
No Content-Security-Policy.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 145 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

James Hawkins (@james406) · product account @posthog

Pricing

Free tier with generous monthly limits (1M events, 5K recordings, 1M requests, etc.); Pay-as-you-go usage-based pricing after free tier with tiered rates—e.g., Product Analytics from $0.00005/event, S

Sources and updates

Description: Taken from posthog.com's own website on 2026-06-11.
Operator: PostHog Inc., as named in posthog.com's terms, privacy page or footer.
Code: github.com/PostHog/posthog.
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 2026-09-20.

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

Visit posthog → · How this was measured →