Test Hello HTML
This example shows a minimal HTML page with a hardcoded Cyrillic text fragment and a title. The page loads no external libraries or stylesheets, containing only a static body paragraph. The document includes an embedded YouTube iframe player as part of the source repository’s README, but the rendered page itself displays no interactive or dynamic visualization. The code uses standard HTML5 elements (`<!DOCTYPE html>`, `<html>`, `<head>`, `<body>`) without any JavaScript, CSS, or data-processing APIs. The file is a bare-bones scaffold, demonstrating static content rather than a data-driven graphic.