# ccm-feedback > A single-script-tag feedback widget for visual website reviews. Reviewers pin comments on any element of any HTML page, then export a JSON file (or sync via Supabase) for handoff to a developer or AI coding agent. Browser-only. No SDK. localStorage by default; Supabase cloud mode is opt-in. ccm-feedback is a TypeScript widget bundled to a single static JS file (`dist/w.js`, ~30 KB minified). It self-installs from a `