TechCloudflare Blogabout 1 hour ago
Cloudflare Adds Vary Support to Cache Rules
13 min read
Cloudflare now supports the HTTP Vary header in Cache Rules on every plan, letting customers decide how caches treat request headers that affect responses. The origin declares what may vary; users choose normalize, passthrough or bypass per header. An analysis of over 120 million responses found nearly 3,000 sites varying on four or more fields, fragmenting caches.
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