Productivity
Grammarly
Last updated 2026-08-03 · benchmark measured 2026-08-03 — deterministic & reproducible
Grammarly is a writing assistant that checks grammar, tone, and clarity.
Is Grammarly production-ready?
Legit.Show scores Grammarly 87 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Grammarly (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 — 46/100
- Accessibility — 99/100
- Security — 100/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 76/100
- 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 — 233 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
Individuals · Students · Teams & businesses · Enterprise organizations · Content creators
Pricing
Free plan at $0/month; Pro plan at $12/month; Enterprise plan available by contact