WordPress website hosting requires a few important components that are not required for traditional websites such as:
Website Hosting Speed
WordPress websites have bloated HTML code and are served by content stored in a database. These two factors make the conditions perfect for slow serving websites. Web servers need to be setup specifically to power a WordPress website.
Website Hosting Security
WordPress is a great and popular tool but is also a big target for hackers. Locking down WordPress as a software is one thing, but there are several server-related items that need to be in place too.