What does 'Progressive Rendering' mean?

Progressive rendering is a software feature that allows the user to view and interact with the content while it is still being loaded in the background. It is a technique used to enhance the user experience by displaying the initial result quickly and then gradually refining and improving the quality of the image or content. With progressive rendering, the user does not have to wait for the entire content to load, as they can already start viewing and interacting with it. This feature is especially useful for large websites with heavy content,