Drupal is a godsend to web development. It's a popular open source content management framework that is designed to be flexible, scalable, and secure. While Drupal can be used to develop simple brochure-level websites, it really shines when developing large enterprise-level websites with complex architecture, performance demands, and functionality requirements.
Who is using it?
Drupal as a web development framework is used by over 16 million websites and counting. Many enterprise companies that are looking for a secure, maintainable, and scalable solution choose Drupal. Drupal has been vetted by over +630,000 users, maintainers and contributors, helping to produce a flexible and highly-secure framework.
Drupal is enterprise ready
Drupal is used by thousands of high profile web sites and is subject to rigorous security testing both by the Drupal Security Team by security experts around the world. Drupal's core code has been proven to prevent common security vulnerabilities such as those defined by the Open Web Application Security Project (OWASP). For more information read the Drupal Security White Paper
Big data Drupal / Drupal can handle big data
Drupal is built to be nimble, flexible, and scalable. The systems that handle data in Drupal have been architected to work efficiently with very large datasets. A well-architected Drupal site can hold efficiently manage and serve your data.
Whether you’re serving 1000 users a month or 1 million. Drupal is ready. Drupal has proven itself repeatedly in the field on sites with over a million pages, and at over 20,000 requests per second. Its core installation handles over 99 percent of use cases, while free optimization tools and a large base of Drupal-trained administrators address the other one percent.