WordPress Cache Enabler supports WordPress Multisite, custom post types, and WebP images.
Installing Cache Enabler
Visit the Add New Plugins panel in your WordPress Dashboard and search for Cache Enabler. Click Install Now.
When the installation is complete, click Activate Plugin.
Settting Up Cache Enabler
Access Cache Enabler by selecting it from your WordPress Settings menu.
From here, you can adjust your cache's expiration, behavior, exclusions, and minifaction.