what is progressive rendering in html?

An older method of enhancing website performance called progressive HTML rendering has been lost in a brand-new category of online applications. The concept is straightforward: flushing out early and several times will give the web browser a head start in downloading and rendering the page.

The process of converting HTML, CSS, and JavaScript code into the interactive webpage that website visitors anticipate seeing when clicking on a link is known as rendering a webpage. Every webpage of a website is created with the user in mind.