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W2 shipped ~5,000 place pages and nothing linked into them. The
location layer pointed down at school pages; school pages pointed
nowhere on the site. Their only anchor was the school's own website, so
the ~27k pages carrying most of the site's inbound authority passed it
straight off-site, and the new corpus was reachable mainly through the
sitemap.
Three things close the loop.
A reverse index over the place registry, places_for_urn, answers which
published places contain a school. Derived from the registry rather
than stored beside it, so the two cannot disagree about which places
exist: a place below the publish threshold is absent from the registry
and therefore never offered as a link. A test asserts that invariant
across every place in a built registry.
GET /api/schools/{urn} gains a `places` array carrying the name, count
and canonical path for each. It rides on the request the page already
makes, so the school page costs no extra round trip. The frontend types
it optional and defaults it to empty, because the two images deploy
separately and a frontend ahead of the API must render without it.
The page gains a "More schools near here" module and a BreadcrumbList.
The module orders narrowest first, because a reader on a school page
wants its town before its county, while the API orders widest first for
the trail. Anchors state their destination's size — "37 schools in
Brentwood" — which is worth more to a reader and a crawler than "see
more". With no published places it renders nothing rather than an empty
heading.
The trail is rooted at the homepage, not /schools. There is no /schools
index page; the location layer lives only at /schools/[place],
/schools/authority/[la] and /schools/near/[outcode]. Rooting it at the
bare path would have opened every breadcrumb with a link to a 404.
Outcodes are omitted from the trail: "schools near CM15" is a real
query and a useful link, but nobody navigates Essex to CM15 to a
school, and a breadcrumb claiming that describes a hierarchy the site
does not have.
School pages also now declare the School type rather than
EducationalOrganization, the parent type that covers universities and
nurseries alike.
The e2e journey asserts the round trip in both directions, following a
place page's own first school so the pair is genuinely related rather
than hardcoded. A one-way link is what already existed.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DXnXQKnPpZBBP61fBQiFkq
SchoolCompare Next.js Application
Modern Next.js application for comparing primary school KS2 performance across England.
Features
- Server-Side Rendering (SSR): Fast initial page loads with pre-rendered content
- Individual School Pages: Dedicated pages for each school with full SEO optimization
- Side-by-Side Comparison: Compare up to 5 schools simultaneously
- School Rankings: Top-performing schools by various metrics
- Interactive Maps: Leaflet integration for geographic visualization
- Performance Charts: Chart.js visualizations for historical data
- Responsive Design: Mobile-first approach with full responsive support
- SEO Optimized: Dynamic sitemaps, meta tags, and structured data
Tech Stack
- Framework: Next.js 16 (App Router)
- Language: TypeScript 5
- Styling: CSS Modules + CSS Variables
- State Management: React Context API + URL state
- Data Fetching: SWR (client-side) + Next.js fetch (server-side)
- Charts: Chart.js + react-chartjs-2
- Maps: Leaflet + react-leaflet
- Testing: Jest + React Testing Library
- Validation: Zod
Getting Started
Prerequisites
- Node.js 24+ (using nvm recommended)
- FastAPI backend running on port 8000
Installation
# Install dependencies
npm install
# Copy environment variables
cp .env.example .env.local
# Update .env.local with your configuration
Development
# Start development server
npm run dev
# Open http://localhost:3000
Building
# Build for production
npm run build
# Start production server
npm start
Testing
# Run tests
npm test
# Run tests in watch mode
npm run test:watch
# Run tests with coverage
npm run test:coverage
Linting
# Run ESLint
npm run lint
Project Structure
nextjs-app/
├── app/ # App Router pages
│ ├── layout.tsx # Root layout
│ ├── page.tsx # Home page
│ ├── compare/ # Compare page
│ ├── rankings/ # Rankings page
│ ├── school/[urn]/ # Individual school pages
│ ├── sitemap.ts # Dynamic sitemap
│ └── robots.ts # Robots.txt
├── components/ # React components
│ ├── SchoolCard.tsx # School card component
│ ├── FilterBar.tsx # Search/filter controls
│ ├── ComparisonView.tsx # Comparison interface
│ ├── RankingsView.tsx # Rankings table
│ └── ...
├── lib/ # Utility libraries
│ ├── api.ts # API client
│ ├── types.ts # TypeScript types
│ └── utils.ts # Helper functions
├── hooks/ # Custom React hooks
├── context/ # React Context providers
├── styles/ # Global styles
├── public/ # Static assets
└── __tests__/ # Test files
Environment Variables
| Variable | Description | Default |
|---|---|---|
NEXT_PUBLIC_API_URL |
Public API endpoint (client-side) | http://localhost:8000/api |
FASTAPI_URL |
Server-side API endpoint | http://localhost:8000/api |
NODE_ENV |
Environment mode | development |
Performance Optimizations
- Server-Side Rendering: Initial HTML rendered on server
- Static Generation: Where possible, pages are pre-generated
- Image Optimization: Next.js Image component with AVIF/WebP support
- Code Splitting: Automatic route-based code splitting
- Dynamic Imports: Heavy components loaded on demand
- API Caching: Configurable revalidation for data fetching
- Bundle Optimization: Tree shaking and minification
- Compression: Gzip compression enabled
SEO Features
- Dynamic Meta Tags: Generated per page with Next.js Metadata API
- Open Graph: Social media optimization
- JSON-LD: Structured data for search engines
- Sitemap: Auto-generated from database
- Robots.txt: Search engine crawling rules
- Canonical URLs: Duplicate content prevention
Browser Support
- Chrome (latest)
- Firefox (latest)
- Safari (latest)
- Edge (latest)
License
Proprietary - SchoolCompare
Support
For issues and questions, please contact the development team.