Follow the steps in the Images.

First, we’re going to Configure W3 Total Cache.

Install W3 Total Cache – https://wordpress.org/plugins/w3-total-cache/18

Click on the Performance located on the WordPress menu.

Click General Settings.

Enable the Page Cache.

Scroll Down. Set Option noted in the below image.

Minify

Opcode Cache

Database Cache:

Object Cache:

Browser Cache:

Reverse Proxy:
Most of the Hosting Providers are using Varnish cache or some other caching

Leave Fragment Cache, Monitoring, Licensing, Miscellaneous.

Now go to Page Cache in the menu

Do Everything as in the Image. and Click Save All Settings Button

 

Now go to Minify Tab

Do the same as in the image.

Now go to Database Cache

Now go to Browser Cache

Now install the Autoptimize Plugin – https://wordpress.org/plugins/autoptimize/41

 

Go to Settings -> Autoptimize

Click Show Advanced settings button

 

Follow the Below images and do everything as it is.