If your wordpress installation doesn’t have StackCache installed, and it’s hosted on a StackCP server, here is what to do:
First let’s start with the correct location in your wordpress installation:
public_html > wp-content > mu-plugins > wp-stack-cache.php If the mu-plugins folder doesn't exist, just create it. The same is true for the wp-stack-cache.php file.
The code you will need to add into wp-stack-cache.php, is:
That’s it. You’re all finished. Pat yourself on the back and take a break 🙂