Joomla is a popular open source content management system (CMS) with over 1 million websites using it. Joomla is free and easy to use, making it a popular choice for small businesses and bloggers.
PRO TIP: There is no definitive answer to this question as Joomla is an open source content management system and therefore anyone can create a website using the Joomla platform. However, according to the Joomla website, there are over 30 million downloads of the Joomla software and it is estimated that there are millions of websites built using Joomla.
Joomla is a popular choice for small businesses and bloggers because it is free and easy to use.