If you maintain a huge WordPress blog then you have to install certain plugins such as WP Super Cache, which enables the site to load faster thus reducing bandwidth. The plugin normally generates static HTML files from the PHP based WordPress blog. Once the static file is generated then the server will display cached file instead of huge PHP script file.
Follow the steps given below to install WP Super Cache
(1) Download WP Super Cache
(2) Extract the contents of wp-super-cache.1.4.ZIP. As of the time of this writing, the version was 1.4
(3) Upload the contents of wp-super-cache folder to wp-content/plugins directory
(4) Activate the plugin by selecting Plugins | Installed Plugins
(5) You will view a message shown below immediately after activation
WP Super Cache is disabled. Please go to the plugin admin page to enable caching.
(6) WP Super Cache Settings page will be displayed upon selecting plugin admin page
(7) Select Caching On (Recommended) option and click Update Status button
(8) You can click Test Cache button to verify the status of the cache
(9) WP Super Cache includes two options – Easy and Advanced. The Easy option will be useful for beginners. However, the Advanced option will be useful for advanced bloggers who run significantly large sites.
(10) You can also make use of mod_rewrite to serve cache files, which you can activate from the Advanced options page.
(11) You can enable CDN support by providing Off-site URL, directories and additional CNAMES.
(12) The cached pages will be displayed on the Contents tab.
WP Super Cache will be only useful for large blogs with huge number of hits on a daily basis.