How do I improve the UI of a webpage that expands as you use it? [closed]

1. What is an accordion UI?
2. What would you consider as a UI design failure on a newly launched product?
3. What is an accordion menu?

What is an accordion UI?

What is an accordion in web design? In web design, an accordion is a type of menu that displays a list of headers stacked on top of one another. When clicked on (or triggered by a keyboard interaction or screen reader), these headers will either reveal or hide associated content.

What would you consider as a UI design failure on a newly launched product?

What would you consider a UI design failure on a newly launched product? From prioritizing aesthetics over usability, to overlooking accessibility, there are plenty of examples of bad UI design.

What is an accordion menu?

An accordion menu is a vertically stacked list of headers that can be clicked to reveal or hide content associated with them.