Stale Cache

Learn how Stale Cache enables serving previously cached dynamic content when the origin becomes temporarily unavailable.

The Stale Cache feature for Dynamic Content Acceleration operates the same way as in Static Content Delivery. It allows CDN edge servers to deliver the last cached version of an object when the origin fails to respond or returns specific error codes. You can define which origin conditions—such as timeouts, invalid headers, or 5xx errors—trigger stale delivery. This improves availability for dynamic workloads during short-term origin instability.

For configuration details, supported triggers, and examples, refer to the main documentation: Learn more in the Stale Cache documentation.