The WordPress theme you choose has a big impact on how fast pages load. It's crucial to pick a theme that is effective and loads quickly because the most of website owners wouldn't modify a WordPress theme for performance.
Plugins expand the functionality of WordPress to make it capable of much more. Even if there is a plugin for each task you can think of, it is a good idea to just use the plugins that are really necessary for the operation of your website.
A database that your WordPress application connects to stores all site-related data in the background is used. Essentially all of your website's content is stored in the database.
The servers that make up a Content Delivery Network (CDN) are spread throughout many key locations in the world. It is based on the premise that the download time of a resource depends on the physical distance between the client and the server.
WordPress and PHP are both popular software programs that are actively being developed. Every day, upgrades including new features, bug fixes, security updates, and performance gains are added to them.