Your website is the front door to your business - it provides a first impression of the organization, generates leads, and propagates your brand message. However, looking pretty will not get you to the top of the search engine results page (SERP). That's why we all use search engine optimization (SEO), which, for today's complex content sites, is very different from the HTML of yesteryear.
Drupal, the open source content management system (CMS) that runs WhiteHouse.gov, MTV Europe, and The Economist, is a very powerful system that can be used for large, complex sites, and it's the best platform that exists today for SEO. Drupal's built-in tools for automating SEO on massive amounts of content, along with granular control that gives you absolute power over every single site element, put it head and shoulders above the rest, including Joomla and WordPress. Additionally, Drupal is the most scalable, configurable system, and major improvements in usability will soon shorten the learning curve for new users and developers.
Here's why Drupal is the best: