Developer Tools
LoupeKit
Last updated 2026-08-25 · benchmark measured 2026-08-25 — deterministic & reproducible
Browser extension for inspecting, auditing, and diagnosing any web page.
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 Security; 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 — 97/100
- Security — 100/100
- Privacy — 100/100
- 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 — 196 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)
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