Files
school_compare/nextjs-app/app/rankings/page.tsx
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Tudor Sitaru 62eeee5f7c
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perf: cache aggressively and trim client bundle
Frontend
- Dynamic-import Chart.js components on detail/compare views so Chart.js
  no longer ships in initial JS.
- Drop force-dynamic on home, compare, rankings so internal data fetches
  reuse Next.js's per-call revalidate cache.
- Switch /school/[slug] to ISR with a 7-day revalidate window (school
  data updates annually).
- Preconnect to analytics + postcodes.io; remove redundant defer on the
  Umami Script tag (afterInteractive already covers it).
- Bump images.minimumCacheTTL to 1 year.
- Extract HowItWorks and Editorial sections as server components passed
  to HomeView via slot props so their JSX stays out of the client bundle.

Backend
- Add GZipMiddleware (min 512 bytes).
- Add CacheAndETagMiddleware: per-path Cache-Control with long s-maxage
  + stale-while-revalidate, ETag generation, and 304 on If-None-Match.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-06-02 13:46:45 +01:00

80 lines
2.4 KiB
TypeScript

/**
* Rankings Page (SSR)
* Display top-ranked schools by various metrics
*/
import { fetchRankings, fetchFilters, fetchMetrics } from '@/lib/api';
import { RankingsView } from '@/components/RankingsView';
import type { Metadata } from 'next';
interface RankingsPageProps {
searchParams: Promise<{
metric?: string;
local_authority?: string;
year?: string;
phase?: string;
}>;
}
export const metadata: Metadata = {
title: 'School Rankings',
description: 'Top-ranked schools by SATs and GCSE performance across England',
keywords: 'school rankings, top schools, best schools, KS2 rankings, KS4 rankings, school league tables',
};
// Dynamic via searchParams; remove force-dynamic so internal data fetches
// can still use Next.js's per-call revalidate cache.
export default async function RankingsPage({ searchParams }: RankingsPageProps) {
const { metric: metricParam, local_authority, year: yearParam, phase: phaseParam } = await searchParams;
const phase = phaseParam || 'primary';
const metric = metricParam || (phase === 'secondary' ? 'attainment_8_score' : 'rwm_high_pct');
const year = yearParam ? parseInt(yearParam) : undefined;
// Fetch rankings data with error handling
try {
const [rankingsResponse, filtersResponse, metricsResponse] = await Promise.all([
fetchRankings({
metric,
local_authority,
year,
limit: 100,
phase,
}),
fetchFilters(),
fetchMetrics(),
]);
// Metrics is already an array
const metricsArray = metricsResponse?.metrics || [];
return (
<RankingsView
rankings={rankingsResponse?.rankings || []}
filters={filtersResponse || { local_authorities: [], school_types: [], years: [], phases: [], genders: [], admissions_policies: [] }}
metrics={metricsArray}
selectedMetric={metric}
selectedArea={local_authority}
selectedYear={year}
selectedPhase={phase}
/>
);
} catch (error) {
console.error('Error fetching data for rankings page:', error);
// Return error state with empty data
return (
<RankingsView
rankings={[]}
filters={{ local_authorities: [], school_types: [], years: [], phases: [], genders: [], admissions_policies: [] }}
metrics={[]}
selectedMetric={metric}
selectedArea={local_authority}
selectedYear={year}
selectedPhase={phase}
/>
);
}
}