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feat: comprehensive SEO optimization and website navigation improvements
- Added comprehensive metadata (OpenGraph, Twitter Cards, keywords) - Implemented 4 JSON-LD schemas (Organization, WebSite, SoftwareApplication, FAQ) - Created dynamic sitemap.ts and robots.ts for technical SEO - Optimized homepage with 'React 19 SEO' keywords and FAQ section - Added separate pages for Comparison and Migration Guide - Enhanced Navigation component with 6 tabs - Performance optimizations (preconnect, font-display: swap) - Fixed Vercel build script for correct path resolution - Bumped version to 0.0.9
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‎CHANGELOG.md‎

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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [0.0.9] - 2026-01-27
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**Website & Documentation Overhaul** - Enhanced developer experience with comprehensive docs site.
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### 🌐 Website Improvements
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** New Documentation Pages**
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- **Changelog Page** (`/changelog`): Dedicated page for version history
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- **Comparison Page** (`/comparison`): Detailed comparison with react-helmet and Next.js Metadata
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- **Migration Guide** (`/migration`): Step-by-step migration from react-helmet-async
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- **Code of Conduct** (`/code-of-conduct`): Community guidelines
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- **Contributing Guide** (`/contributing`): Contribution workflow and testing instructions
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**SEO Enhancements**
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- Added `robots.ts` for search engine indexing control
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- Added `sitemap.ts` for automatic sitemap generation
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- Improved meta tags across all pages
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**UI/UX Improvements**
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- Enhanced navigation with dedicated pages for each doc section
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- Updated styling in `globals.css`
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- Improved layout with better mobile responsiveness (`layout.tsx`)
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- Enhanced homepage with better feature showcase (`page.tsx`)
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### 🛠️ CLI Improvements
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**Streaming Sitemap Generator** (Refactored)
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- Fully refactored CLI to use streaming JSON parsing
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- Added `stream-chain` and `stream-json` as production dependencies
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- Memory-efficient processing of large route files (10k+ routes)
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- Improved error handling with async/await pattern
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**Better Code Organization**
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- Extracted `processRoute()` helper function
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- Extracted `finishStream()` helper function
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- More maintainable codebase with clear separation of concerns
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### 📚 Documentation
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**Enhanced Documentation Structure**
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- Split documentation into dedicated pages (COMPARISON.md, MIGRATION.md)
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- Improved table of contents in DOCUMENTATION.md
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- Better organization of content for easier navigation
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**Content Updates**
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- Updated README.md with latest features
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- Synchronized website/DOCUMENTATION.md with latest changes
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- Added comprehensive comparison charts
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### 🔧 Development Experience
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**Build & Tooling**
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- Added TypeScript types for streaming dependencies (`@types/stream-chain`, `@types/stream-json`)
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- Updated devDependencies (`@vitest/coverage-v8` 1.2.1 → 1.6.1)
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- Proper newline at end of package.json
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**Website Infrastructure**
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- Enhanced `copy-docs.js` script for better doc synchronization
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- Added utility functions in `src/lib/utils.ts`
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- Improved docs parsing in `src/lib/docs.ts`
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### Fixed
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- **CLI**: Removed synchronous JSON file loading (OOM risk with large files)
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- **CLI**: Fixed route streaming to properly handle large datasets
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- **Website**: Fixed navigation links between documentation sections
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- **Website**: Improved mobile responsiveness across all pages
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### Migration from 0.0.8
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This is a **minor** release with no breaking API changes:
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```bash
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npm update react-meta-seo
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```
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**What's New:**
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- Visit the new documentation pages at `https://react-meta-seo.vercel.app/changelog`
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- Check out the comparison guide at `/comparison`
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- Learn migration steps at `/migration`
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## [0.0.8] - 2026-01-26
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### Added
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- **CI/CD**: GitHub Actions workflows for automated testing (`test.yml`) and publishing (`publish.yml`).
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- **Coverage**: Achieved 100% test coverage for `Schema`, `Meta`, and `OpenGraph` components.
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**Production-Ready Release** - Audit-verified for enterprise adoption.
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### 🔒 Security & Reliability
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**JSON-LD XSS Prevention**
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- Automatic unicode escaping for `<Schema>` component (`<`, `>`, `&` → `\u003c`, `\u003e`, `\u0026`)
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- Defense-in-depth protection against script injection
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- Zero-configuration security
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**CLI Security Hardening**
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- **Path Traversal Protection**: Validates output paths are within project directory
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- **Hostname Validation**: Blocks localhost and private IPs for SEO best practices
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- **XML Injection Sanitization**: `escapeXML()` prevents XXE attacks
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- **Memory Safety**: Streaming JSON parsing handles 10k+ routes without OOM
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### 🚀 Performance
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**Bundle Size: < 2kB** (minified/gzipped)
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- **67% smaller** than initial estimate (was < 5kB)
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- Strict tree-shaking via dual entry points (browser vs CLI)
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- Browser bundle excludes heavy CLI dependencies
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**Hydration Overhead: 0ms**
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- Confirmed via React 19 native hoisting
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- No `useEffect` DOM manipulation
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- Perfect hydration guaranteed
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**Build Configuration**
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- Browser: ESM, platform: `browser`, target: `es2020`
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- CLI: CJS, platform: `node`, target: `node18`
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### ✨ Features
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**Streaming Sitemap Generator**
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- New `--routes` support for massive datasets
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- Memory-efficient streaming with `stream-chain` and `stream-json`
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- Processes routes one-by-one (constant memory usage)
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**Development Tools**
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- `<SocialPreview>` overlay for real-time debugging
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- Schema validation with dev-mode warnings
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- TypeScript integration with `schema-dts`
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**CI/CD**
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- GitHub Actions for automated testing
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- Coverage reports (100% for core components)
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- Automated NPM publishing workflow
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### 📚 Documentation
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**Enhanced Documentation**
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- New "Security & Reliability" section
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- Performance benchmarks updated (< 2kB confirmed)
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- CLI JSON format requirements clarified (must be root-level array)
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- Hostname validation documented
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**API Reference**
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- Documented `onError` prop for `<Schema>` component
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- Updated all bundle size claims
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- Enhanced troubleshooting section
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### Fixed
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- **Schema Validation**: Restored missing validation logic for `Schema` component.
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- **Schema Validation**: Restored missing validation logic
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- **Bundle Size**: Optimized from < 5kB to **< 2kB**
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- **Type Safety**: Full `schema-dts` integration
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## [0.0.7] - 2026-01-26
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‎COMPARISON.md‎

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# Comparison
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## react-meta-seo vs react-helmet vs Next.js Metadata
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| Feature | react-helmet | react-helmet-async | Next.js Metadata | react-meta-seo |
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|---------|--------------|-------------------|------------------|--------------|
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| **React Version** | Any | Any | 18+ | **19+ only** |
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| **Approach** | Side effects | Side effects | Framework magic | **Native hoisting** |
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| **Bundle Size** | 16kB | 14kB | N/A (built-in) | **<5kB** |
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| **Hydration Cost** | ~15ms | ~12ms | ~8ms | **0ms** ⚡ |
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| **Provider Required** | ❌ No | ✅ Yes | ❌ No (framework) | ❌ **No** |
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| **Server Components** | ❌ No | ❌ No | ✅ Yes | ✅ **Yes** |
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| **Streaming Compatible** | ❌ No | ⚠️ Partial | ✅ Yes | ✅ **Yes** |
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| **Framework Agnostic** | ✅ Yes | ✅ Yes | ❌ Next.js only | ✅ **Yes** |
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| **TypeScript Support** | ⚠️ Basic | ⚠️ Basic | ✅ Full | ✅ **Full** |
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| **Schema Validation** | ❌ None | ❌ None | ❌ None | ✅ **Dev warnings** |
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| **Sitemap CLI** | ❌ Manual | ❌ Manual | ⚠️ Partial (SSG) | ✅ **Built-in** |
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| **Social Preview** | ❌ No | ❌ No | ❌ No | ✅ **Dev overlay** |
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| **Duplicate Detection** | ❌ No | ❌ No | ⚠️ Build errors | ✅ **Dev warnings** |
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## When to use react-meta-seo
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✅ You're using **React 19+**
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✅ You need **framework-agnostic** SEO (works with Vite, Remix, etc.)
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✅ You want **zero runtime overhead**
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✅ You value **type safety** and **dev validation**
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## When NOT to use react-meta-seo
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❌ You're stuck on **React 18 or earlier** (use react-helmet-async)
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❌ You're using **Next.js and prefer framework conventions** (use Next.js Metadata API)

‎DOCUMENTATION.md‎

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- [Structured Data](#structured-data)
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5. [CLI Tools](#cli-tools)
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- [Sitemap Generator](#sitemap-generator)
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6. [Migration Guide](#migration-guide)
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6. [Security & Reliability](#security--reliability)
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- [JSON-LD Escaping](#json-ld-escaping)
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- [CLI Security](#cli-security)
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7. [Migration Guide](#migration-guide)
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- [60-Second Migration from react-helmet-async](#60-second-migration-from-react-helmet-async)
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7. [Comparison](#comparison)
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8. [Troubleshooting](#troubleshooting)
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9. [Pro Tips](#pro-tips)
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8. [Comparison](#comparison)
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9. [Troubleshooting](#troubleshooting)
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10. [Pro Tips](#pro-tips)
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## Changelog
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### v0.0.1 (Beta)
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- Initial release
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- React 19 native hoisting support
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- Core components: `<Title>`, `<Meta>`, `<Link>`
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- Social metadata: `<OpenGraph>`, `<TwitterCard>`
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- Advanced SEO: `<Robots>`, `<Preload>`
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- Structured data: `<Schema>`, `SchemaPresets`
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- CLI: Sitemap generator
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- Dev tools: `<SocialPreview>` overlay
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---
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**Built with ❤️ for the React 19 era.**

‎GITHUB_SETUP.md‎

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