Drupal's content moderation and workflow tools allow you to configure and support a flexible multistep publication process.

An overview of some of our favorite Drupal documentation resources.

Fields are the building blocks of Drupal's powerful content modeling system. The Field API allows for the development of custom field types to suit almost any data display and collection needs.

Many sites require the ability to upload, manage, and display various assets like files, images, videos, and audio.

Search engine optimization (SEO) is the process of optimizing your online content, so that your content will rank higher in organic (non-paid) search engine results.

Debugging is the practice of troubleshooting an application through the use of tools and processes in order to find and fix bugs, or better understand the underlying code.

Taxonomy in Drupal provides a way to classify your site’s content. Taxonomy vocabularies are created with terms within those vocabularies.

Upgrading is the process of moving your site from a previous major version of Drupal to a newer version, for example from Drupal 7 to Drupal 11.

Modules are bundles of primarily PHP code that extend Drupal in order to add new features or alter existing functionality.

Patches are used to describe modifications made to one or more code files, and can be used to share those changes.

Drupal includes the PHPUnit testing framework. This enables us to write unit and functional tests to attempt to minimize the number of bugs in our application.

In order to run a Drupal site, the web server you are using must meet minimum technical requirements.

Drupal's vendor-agnostic database abstraction layer provides an API that can query different underlying databases.

Tools and workflows for deploying code and configuration changes from one environment to another with Drupal-specific considerations.

Coding standards provide a set of rules for how your code should be formatted, and best practice guidelines for naming conventions and the location of files.

The process for keeping Drupal core and contributed modules and themes up to date with the latest security and minor version releases.

Learn about Drupal’s configuration system and how to manage configuration with both the administrative user interface and command-line tools.

PHP: Hypertext Preprocessor (PHP) is a popular interpreted programming language that is especially suited for web development. Drupal core and all contributed modules are written in PHP.