Content for Accessibility

As a visitor I want to experience features for that area.

AC: At least one example are given for:

Include the accessibility markup in the templates, including captions, alt and title texts, WCAG and Wai-ARIA (the World Wide Web Consortium’s Web Content Accessibility Guidelines and Web Accessibility Initiative – Accessible Rich Internet Applications).
Outputs structured data to the templating layer or the frontend framework of your choice, where it can be made accessible programmatically.
Editing and maintaining metadata is easy for editors. Metadata fields can be made mandatory, ensuring consistency throughout the editorial process.
Increase editors’ accessibility awareness by customizing and enhancing the rich text editor.
A link is added at https://typo3.org/cms/features/frontend-experience#c9247 to https://typo3.org/cms/features/frontend-experience