Attention

TYPO3 v12 has reached end-of-life as of April 30th 2026 and is no longer being maintained. Use the version switcher on the top left of this page to select documentation for a supported version of TYPO3.

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Concepts

The following concepts are of interest:

Cache

A beginners guide to browser caching and managing TYPO3's cache.

File Abstraction Layer

Information about TYPO3's File Abstraction Layer (FAL) and how editors can modify meta data for individual files.

Accessibility

An introduction to writing accessible content with links to third party resources.

Copyright

Information on copyright and data privacy.