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Understanding HTTP Caching
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August 22, 2024 4 min read

Understanding HTTP Caching

Browser and CDN caching strategies for faster web apps.

Performance Backend

Proper caching can eliminate redundant network requests entirely.

Key Points

  • Cache-Control headers control browser and CDN caching behavior
  • Use ETag and If-None-Match for conditional requests
  • Immutable assets should use long max-age with content hashing

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