Joomla is one of the most popular content management systems (CMS) on the web, used to create and manage websites. As of 2021, the total number of websites using Joomla is estimated to be over 3 million, making it the third most popular CMS on the web, behind WordPress and Shopify. Joomla is free, open source software, and offers a user-friendly interface, a wide range of extensions, and a comprehensive template system. It is used by a variety of websites, including e-commerce stores, corporate websites, blogs, and even government websites, and can be used to power many different types of web applications. Joomla is loved by web developers and website owners alike for its ease of use, flexibility, scalability, and powerful features. Additionally, Joomla is continually updated to ensure that it remains secure and up-to-date.