https://www.drupal.org/project/sitewide_alert/issues/3120593
Improve shared cache support [#3120593] | Drupal.org
Apr 7, 2020 - Leverage the s-maxage Cache-Control header to improve changeability by shared caches, like cloudflare, or load balancers. This will reduce the number of...
improvesharedcachesupportdrupal