To take full advantage of Litespeed you need to add the Litespeed plugin into your WordPress. We have suggested WP-Optmize before but we are now suggesting to replace that and any other caching program with Litespeed.
Once you install the plugin, make sure to remove any other caching programs.
Then click the link" "presets"
On that page click the button under: "Advanced (Recommended)"
Then click the: Dashboard link and sync
It will say you have to you have to get a domain key. Click that link and click get domain key. It will update with a key in about three minutes.
Then click Automatically Upgrade and choose Save.
You might as well clean things up when there! For this click the "database" link. On that page click "Clean all".
Most tests are showing a 3x faster load improvement once this is added and set up on our new servers.
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Optionally, you can register for an account with Litespeed and access their CDN. This will help speed things up as well!