Environment

Review details of the host environment, including web server, PHP version, selected database, and the application context.

Analyze host environment for conditions that could prevent TYPO3 from operating correctly.

Analyze folder structure to verify file and directory permissions and detect missing items.

View detailed information about the PHP installation, including version details and enabled extensions.

Test your mail configuration by sending out a dummy email via TYPO3.

Create test images and compare them with reference images to verify that image processing works correctly in your environment.