To load your WordPress site pages faster, one should install caching plugin. There are lot many caching plugins available for self hosted WordPress, but the popular ones are W3 Total Cache, WP Super Cache and Hyper Cache. Here I will talk about the most downloaded and widely used W3 Total Cache plugin and will detail out the customization and features available in this plugin.
Are you planning to start a blog? I would highly recommend WordPress as blogging platform for non techie as well as tech savvy people. Matt Mullenweg and few other folks created WordPress back in 2003 which is now the best CMS platform awarded by reputed organizations. WordPress comes in two different versions and here is a comparison to help you select the best suitable for your blog.