The Drupal Advantage:

• Drupal serves a very large developer community. 
• It has a very extensive and active community supporting.
• Consists of a very established security team.
• Drupal is free, easy to use and flexible.
• Powerful Multilingual Capabilities.
• Great infrastructure exists around Drupal code base. 
• In development from the last 7 years with 13 full releases that have added functionality.
• Is Portable.
• Resources such as Drupal plugins and Drupal codes are enormous. 
• Can be administered from a browser.
• Is mobile browser friendly.
• With a simple FTP upload and a few short web based configurations questions, databases can be connected and a Drupal site can be up and running quite quickly.
• Drupal is very systematically documented.
• Search Engine Optimization friendly, using standard compliant HTML/CSS.
• URL's Can be customized and made SEO Friendly.
• Drupal Website can be simply integrated with Google Analytics without inserting codes.

• Drupal is a very cost effective Content Management System.
• It is Geared more for Configurability and customization.
• It is the most powerful and popular Opensource Content Management System. 
• Once you learn some of the key tools within the Drupal universe, you can endlessly combine them to do all sorts of clever things you may never have imagined before.
• Drupal Design provides incredible flexibility while still allowing people who aren't programmers to create powerful websites.
• Cleanly separated into different layers that keep things organised and flexible.
• User registration and profiles can be formed and role based permission can be assigned. 
• Using  the Taxonomy system, content can be categorised.