Manual:$wgUseCdn/en

Details
Enable/disable page view caching. Cdn configuration causes the following changes in behaviour:


 * The  header is changed to allow the cache proxy to blindly cache content for a predetermined period of time (configured by ).
 * The  header is artificially shortened to ensure the cache proxy will not renew outdated HTML beyond a certain age. The   date will never be older than . This will allow to refresh the cached copy in case there were changes to footer icons, sidebar, skin update, and other configuration or skin-level changes not tracked by the wiki page itself.
 * Purges are sent to ensure content edited by users remains up to date immediately.

The list of Cdn servers to be purged on update must be stored in.