Plone is highly customizable and excels in content management and workflow, making it suitable for complex sites, while Drupal is known for its user-friendly interface and extensive module selection, catering well to a variety of website types.
Drupal
Pros:
User-friendly interface and ease of use
Large selection of themes and modules
Robust community support and extensive documentation
Good for SEO and accessibility
Flexibility for various types of websites
Cons:
Can become resource-intensive with too many modules
Upgrades may cause compatibility issues with existing modules
Security concerns if not regularly updated
Plone
Pros:
Highly customizable with a wide range of add-ons and modules
Strong user community and support
Excellent for content management and collaborative work
Built-in workflow management capabilities
Flexible templating system
Cons:
Steeper learning curve for new users
Performance can be an issue with large-scale sites