What is WordPress used for? What is WordPress? WordPress is web publishing software you can use to create a beautiful website or blog. It just may be the easiest and most flexible blogging and website content management system (CMS) for beginners. What is WordPress explain? WordPress (WP, WordPress.org) is a free and open-source content management system (CMS) written in PHP and paired with a MySQL or MariaDB database. ... WordPress has also been used for other application domains, such as pervasive display systems (PDS). Is WordPress a programming? WordPress is written using PHP as the scripting language. Just like WordPress, PHP is also an Open Source. PHP is a server side programming language. When a user requests a web page that contains PHP code, the code is processed by the PHP module installed on that web server.