Developer Tools

LoupeKit

Last updated 2026-08-25 · benchmark measured 2026-09-27 — deterministic & reproducible

Browser extension for inspecting, auditing, and diagnosing any web page.

Are you the maker of LoupeKit? 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/loupekit-com/2026-09-27. That address never changes; this page moves with every re-measure.

Legit.Show scored LoupeKit 96/100 on 2026-09-27, measured across all 7 frames from its public surface. legit.show/s/loupekit-com/2026-09-27

Is LoupeKit production-ready?

Legit.Show scores LoupeKit 96 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on LoupeKit (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Accessibility; its weakest is Standards. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 87/100
• Accessibility — 100/100
• 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 — 86/100
• 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 — 122 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 it's for

Web developers · QA testers · SEO professionals · Accessibility auditors · Agency clients

Pricing

Free (€0 forever), Pro Monthly (€6.99/month), Pro Lifetime (€74.99 rising to €119.99)

Sources and updates

Description

Taken from loupekit.com's own website on 2026-08-25.

Operator

Apptiary s.r.o., as named in loupekit.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 2026-09-27.

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

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