Web Caching Strategies: Browser, CDN & Server Cache
Complete caching guide: Cache-Control headers, ETags, CDN caching, service workers, and cache invalidation strategies.
Cache-Control Headers
// Static assets (cache forever, use content hash in filename)\nCache-Control: public, max-age=31536000, immutable\n\n// API responses (don't cache)\nCache-Control: no-store\n\n// HTML pages (revalidate each time)\nCache-Control: no-cache\nETag: 'abc123'
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Open HTTP Status Codes