HTML labels the page
HTML gives names to the parts of a page so the browser knows what each piece of content is meant to be.
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What HTML Is and Why Websites Use It
A beginner explanation of HTML, what it does, and why every web page starts with it.
Browsers need structure first
Before design or interactivity can happen, the browser needs a structured document. HTML provides that starting shape.
A good beginner entry point
HTML is a strong first language for beginners because the results are visible and the concepts connect directly to what you see on a web page.