Design with an accordion inside an accordion [duplicate]

1. What is a nested accordion?
2. Are accordions good for UX?
3. What is a content accordion?
4. Which accordion signifiers is most likely to signal to users that the accordion will open in place rather than leading to a new page?

What is a nested accordion?

A simple accordion that allows for a nested structure. The style comes with some examples of how to style three levels and how to add a media query for decreasing the size on smaller screens. Clicking a trigger element will open the content.

Are accordions good for UX?

Accordions can help improve the user experience, especially on mobile devices. Since they provide the most important information first, and leave it up to users to decide what to learn more about, they're ideal for FAQ pages, menu sections on homepages, and more.

What is a content accordion?

The Content Accordion app is a responsive and accessible app that displays articles in a condensed way. This functionality is highly sought after for managing and organizing a high volume of articles and data. Each article has a title and detail that allows a user to input a wide range of content.

Which accordion signifiers is most likely to signal to users that the accordion will open in place rather than leading to a new page?

Summary: The caret icon most clearly indicated to users that it would open an accordion in place, rather than linking directly to a new page.