Drupal: Technical Description
🗓️ Release Date
Drupal was initially released on January 15, 2001.
🏷️ License
Free software under the GNU General Public License (GPL) version 2 or later.
🧑💻 Programming Language
Primarily developed in PHP, with front-end components in JavaScript.
🏛️ Architecture
Modular core with lightweight base + ecosystem of extensions via modules and themes.
Follows the Symfony architecture (since Drupal 8), using MVC, services, DI.
Supports headless CMS via JSON:API and GraphQL.
💾 Databases
Supports multiple systems:
MySQL / MariaDB
PostgreSQL
SQLite (optional for development)
⚙️ Main Features
✅ Advanced content management: content types, taxonomies, views, blocks.
✅ Complete admin interface (pages, menus, users…).
✅ Native multilingual support: UI translation, content, URLs.
✅ Granular roles and permission system.
✅ Theming via Twig, responsive design.
✅ SEO friendly (URL aliases, metadata, clean URLs).
🔧 Advanced Functionalities
WYSIWYG editing (CKEditor) and layout builder tools.
Workflow and publishing states (with modules like Workbench).
Content versioning and revisions.
Built-in REST API and JSON:API for headless front-ends.
Notifications, comments, forums via modules.
Integration with LDAP, OAuth, OpenID Connect, SAML.
Multisite and multi-domain support.
Debugging/profiling with Drush & Drupal Console.
🔐 Security
Access control via roles and permissions.
Protection against XSS, CSRF, SQL injection via Symfony and Drupal Core.
Regular security updates (Security Advisories).
Native HTTPS support and certificate management via configuration or modules.
Input filtering, form validation, audit logging.
✅ Pros and ❌ Cons
✅ Pros
✔️ Highly flexible with a rich ecosystem (> 50,000 modules).
✔️ Ideal for complex sites (intranets, portals, multisites).
✔️ Strong support from enterprises and public institutions.
✔️ Frequent security updates.
✔️ Native headless support for modern front-ends.
❌ Cons
❌ Steeper learning curve than WordPress.
❌ Can be heavy for small sites or beginners.
❌ Performance needs optimization (caching, CDN).
❌ Potential cost in training or consulting.
🌐 Official Website
