Apache and Nginx Settings – Serve all static content via nginx

This is the default way Plesk for Linux operates. Whenever a request for
static content comes in, Apache only indicates the corresponding file’s
location, and nginx finds and serves it.

To serve all static content via nginx:

1. Go to Websites & Domains > Apache & nginx Settings and scroll
   down to the “nginx settings” section.
2. Select the Proxy mode and Smart static files processing
   checkboxes.
3. Make sure that the Serve static files directly by nginx checkbox
   is not selected.
4. Click OK.