tool

/grammar-checker

Rendering

Server shell + client-side interactive engine

Entity

none

JSON-LD

EducationalOrganization, WebSite, SoftwareApplication, FAQPage

Evidence

Seen on the reference site

Sections to build

1. Editor (≤5,000 chars)
2. Run check
3. Underlined issues with suggestions
4. Score /10
5. How it works
6. FAQ