Cache Plugins Warn Against Stacking Page Cache on Guesswork
New notices tell you when a full-page cache and a persistent object cache are fighting. The notice is late. It is still welcome.
by Sam Calder·June 1, 2026·0 Comments
The classic WordPress performance crime is installing three cache plugins and a CDN and then asking why login cookies misbehave. Vendors are finally detecting each other.
A yellow admin notice is not architecture. It is a confession that the ecosystem trained people to collect caches like stamps.
Pick one page cache, one object cache, and a host that already does the boring parts. Then stop shopping.
