Part 8/10:
With the core HTML and styles prepared, the rendering engine creates a render tree that includes only the visible elements on the page. The layout calculation phase determines the exact positioning of elements based on CSS rules, while the painting phase translates the layout into pixels displayed on the user's screen.
This entire interactive and layered process involves utilizing the Graphics Processing Unit (GPU) to ensure that rendering speed remains swift and responsive, especially for animated or complex visual content.