nigro.simone

This small plugin (10 Kb) enables browser caching in your Apache web server and help browser to cache a local copy of static files and improve page load times.
Configurations are not required! You just have to install it and after the plugin does it all, none further action it’s required.

Speed Up – Browser Caching

Help browser to cache a local copy of static files and improve page load times.

nikdow

Use this plugin to display detailed information about your server’s OPCache, including memory utilisation, list of all scripts cached and a useful memory utilisation visualisation based on the file system tree.
This plugin is based on https://github.com/rlerdorf/opcache-status which is for general PHP use, we have turned it into a WordPress plugin for ease of installation. Apart from some rearrangement of scripts to suit WP load conventions, the code is to date unaltered. WordPress capability ‘activate_plugins’ is required to see it in the admin menu and to run it.
After you install and activate this plugin, look in the admin Tools menu for OPCache.

OPCache Scripts

Use this plugin to display detailed information about your server’s OPCache, including memory utilisation, and a list of all scripts cached.

Speed Up – Browser Caching vs OPCache Scripts