How to use cache

[Steve]

Goodmorning,

I have created an app, where i would like to use caching but i get stuck on the documentation how to us @cache.action.

The website i have is only for registered users, who will land on their own pages, with their own info.

Can i use @cache.action to speed things up and how do i implement this ? ( i have added  the @cache.action to the index controller, which speeds up the page a lot but when you try to log out, it stays on the page and i get weird behaviour)

So apperently i am doing things wrong.

Anyone a suggestion

regards,

Steve