The reason behind the success of Drupal is because of its many benefits. First, it is search engine friendly. It provides better control to you URL structure. It gives your website better ranking in the search engines because it can customize your content with clean URL. Besides that, it has something called CCK (Content Construction Kit) that acts as a tool that let you creates different types of content with ease. You can create new stories, blog post, tutorials and these are just to name a few. This is something that other CMS cannot provide you.