Cloudflare Adds Configurable HTTP Vary Header Support to Prevent Cache Thrashing



Posted on Tue Sep 29 2026 | 7:44 pm


Cloudflare has implemented native support for the HTTP Vary header across its edge network, enhancing cache management for all customer plans. This feature allows for better negotiation of content representations while minimizing cache fragmentation. Operators can define specific behaviors for request headers, enabling greater control over caching efficiency and reducing server load.




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