Golodhros' first block is a minimal webpage that loads D3 version 3 and logs a simple greeting to the browser console. The page displays a static title, "Golodhros first block," and a styled header using the Open Sans font, but it does not render any chart or visualization. The JavaScript defines a custom `d3.unconf` function that prints "Golo!" to the console, and then calls it immediately. The example demonstrates how to set up a basic D3 project structure with separate HTML, CSS, and JavaScript files, though it contains no data or visual output beyond the text elements.