- Performance
- Configure caching and bandwidth optimization.
- Development settings
- Configure theme development settings
- Logging and errors
- Configure the display of error messages and database logging.
- Maintenance mode
- Take the site offline for updates and other maintenance tasks.
- Configuration synchronization
- Import and export your configuration.
- Devel settings
- Helper functions, pages, and blocks to assist Drupal developers. The devel blocks can be managed via the block administration page.