Once you have Dedicated Managed WordPress Hosting, you will notice your site to be much faster. Like A LOT! The next thing you need to do is to make sure that WordPress Website is developed, coded, and designed to be just as efficient as your new hosting. If your WordPress Websites is built with Visual Composer or some other page builder, you have extra unneeded code added to your site. This will slow your site down. This is what separates Designer from Developers. Designers will use page builders, where Developers will use Code.