---
title: "Best practises and conventions"
manual: "TYPO3 Explained"
version: "13.4"
permalink: "https://docs.typo3.org/permalink/t3coreapi:extension-best-practises@13.4"
source: "ExtensionArchitecture/BestPractises/Index.rst"
rendered: "2026-09-21T07:21:01+00:00"
---

# Best practises and conventions {#extension-best-practises}

-   [Extension Key](https://docs.typo3.org/permalink/t3coreapi:choosing-an-extension-key@13.4)
-   [Naming](https://docs.typo3.org/permalink/t3coreapi:naming-conventions@13.4)
-   [Configuration Files](https://docs.typo3.org/permalink/t3coreapi:configuration-files-ext-tables-php-ext-localconf-php@13.4)
-   [Software design](https://docs.typo3.org/permalink/t3coreapi:software-design-principles@13.4)
-   [Loading order](https://docs.typo3.org/permalink/t3coreapi:extension-loading-order-1@13.4)