Cloudflare Cache Rules Guide
Write custom edge caching directives for lightning fast load times.
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Cloudflare Cache Rules Guide
Cloudflare Cache Rules enable developers to bypass server-side processing by serving fully static HTML pages directly from edge locations. This conserves origin system resources and delivers instant load times to crawler bots.
1. Static Page Edge Caching
By default, Cloudflare caches assets (like CSS, images, JS) but bypasses dynamic HTML. By utilizing **Cache Rules**, you can instruct the edge proxy to cache HTML outputs. This reduces Time to First Byte (TTFB) significantly, which directly improves organic search crawl budget limits.
Check if your site has any performance page speed bottlenecks using our:
2. Cache Bypass Parameters
Avoid caching active admin paths or shopping carts. Define rules to bypass caching on headers like `Cookie` or query string queries to ensure custom user sessions remain secure while public elements remain super-fast.
Analyze redirect latency delays before serving edge cache pages using our:
Cache Rules Checklist
Target Public Pages Only
Write expression rules matching specific public subfolders like /blog/* or /products/*.
Configure Edge Cache TTL
Define optimal TTL settings (e.g. 7 days) to store content efficiently at edge points.
Handle Query Strings Properly
Select 'Ignore query string' parameter for tracking links to avoid generating massive cache misses.
Official Cache Documentation
For official documentation regarding Cloudflare cache engines:
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