If you are on our traditional web hosting platform (not our clustered web hosting), we recommend using the W3 Total Cache plugin available at https://wordpress.org/plugins/w3-total-cache/
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​If you are on our clustered web hosting platform, we recommend not using any caching plugin. Our servers automatically will install a caching plugin if it detects you are running Wordpress, to work best with our clustered network. However, if it detects another third party caching plugin already running, it will not install our caching plugin so there are no conflicts.