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cloud.google.com·7h ago
Security
Cloudflare Blog·Jul 23·5 min read
Introducing Cache Response Rules
TL;DR
Cache Response Rules have been introduced by Cloudflare to optimize caching by allowing modifications to responses from origin servers before they are cached. This feature addresses issues with unwanted headers, like Set-Cookie, that can hinder caching efficiency.
✦ Why It Matters
Implement Cache Response Rules today to enhance your CDN's caching efficiency and reduce origin server load.
Key Takeaways
- Strip Set-Cookie headers from static assets to improve cacheability.
- Manage cache tags for efficient content purging during migrations.
- Adjust Cache-Control directives without changing origin server settings.
- Utilize Cloudflare's dashboard for easy rule creation and management.
How It Works
Cache Response Rules allow users to modify response headers after receiving them from the origin server. This enables the stripping of headers like Set-Cookie, which often prevent caching, and allows for the adjustment of Cache-Control directives to optimize caching behavior.
By doing this, Cloudflare can enhance cache hit ratios and reduce unnecessary traffic to the origin server.