WordPress is a content management system (CMS) that allows users to create and manage websites without extensive technical knowledge. It is an open-source platform that is free to use, and it offers a wide range of customizable themes, templates, and plugins. WordPress is known for its user-friendly interface, SEO capabilities, and blogging features, but it is also suitable for creating e-commerce sites, portfolios, and other types of websites. It is estimated that nearly 40% of websites on the internet are powered by WordPress.