The document discusses and compares three popular content management systems (CMS): WordPress, Joomla, and Drupal. It provides information on the technology used, popularity and market share, key features, types of websites that can be built, popular websites using each CMS, costs, advantages, and disadvantages. WordPress is open-source, easy to use, and popular for blogs and smaller sites. Joomla offers more advanced features but requires some technical skills. Drupal is the most technically advanced but also the most difficult to learn and use.
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