Legit.Show measured Posterlet'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 Posterlet?

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.

AI & Agents

Posterlet

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

AI-powered tool for generating posters, flyers, and social media images.

88/100

7/7 frames

Top 18% of 14,148 measured · #7 of 42 in ai image generation

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 2026-09-08 · scores move as sites change

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

Launched something? Add your product, free.

To cite this score: legit.show/s/posterlet-com/2026-09-08. That address never changes; this page moves with every re-measure.

Legit.Show scored Posterlet 88/100 on 2026-09-08, measured across all 7 frames from its public surface. legit.show/s/posterlet-com/2026-09-08

Is Posterlet production-ready?

Legit.Show scores Posterlet 88 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Posterlet (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Security; its weakest is Performance. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 60/100
Accessibility — 91/100
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 — 82/100
Discoverability — 85/100

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 — 153 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: sitemap, OpenGraph image, canonical URL.

Who it's for

Content creators · Social media managers · Marketers · Designers · Small business owners

Pricing

Free tier with unlimited generations; paid subscription plans available with more credits and premium features; top-up credits available for active subscribers

Sources and updates

Description: Taken from posterlet.com's own website on 2026-09-08.
Operator: Posterlet, as named in posterlet.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 2026-09-08.

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

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