If the plugin you need is not in the list, you should refer to its documentation or the developers to clarify the process of clearing the cache.
In WordPress, caching is done by installing and using certain plugins. For some plugins, instructions for clearing the cache have been compiled:
To clear the cache, go to the section "
WP-Optimize → Cache»:

On the tab “
Page cache"You need to click"
Purge cache»:

To clear the cache, go to the section "
Settings → WP Super Cache»:

On the tab “
Cache state"You need to click"
Delete entire cache»:

To clear the cache, go to the section "
WP Fastest Cache"And on the tab"
Clearing the cache»Click«
Clearing the cache"And"
Clear cache and compressed CSS/JS»:
If the site uses other plugins or it is not possible to enter the admin panel of the site, then you can clear the cache manually, for this you should delete the entire contents of the directory
wp-content/cache
... This can be done using any
FTP client or
file manager.