How can I optimize my WordPress installation for high amounts of traffic?
WP Super Cache is a plugin for WordPress installations to store cached versions of your dynamic PHP pages. Installing WP Super Cache can also greatly reduce the amount of load on the server, improving the stability and security of your site. To install WP Super Cache, follow the instructions provided for the plugin in the readme.txt file. You can test that your super-cache plugin is working by loading your site, refreshing twice and the viewing the source in your browser. If the cache is working properly, you should see at the end of your source the following comments: NOTE: WP-Super-cache will be disabled for any logged in admin user, so make sure to log out and clear your cookies, or test in a different browser.