swift-performance-lite

https://wordpress.org/plugins/swift-performance-lite/

Don't need lite version if you are installing pro.

- One click autoconfig is pretty good defaults.

IMPORTNT:

Make sure to exclude page builder created post types.

Settings > Caching > Exceptions> Exclude Post Types

Alternative:

This is a good simple set it and forget it plugin for caching.

https://wordpress.org/plugins/breeze/