Let's be honest — the first time you saw <h1> and <h2> tags in some tutorial, your eyes probably glazed over. That's fair. Most explanations make headings sound way more complicated than they are. So let's fix that. What is a heading, really? Think about a book. Every chapter has a title in big letters. That title tells you "hey, this is where a new chapter starts, and here's what it's about." A heading in HTML does the exact same job for a webpage. HTML gives you six sizes to work with: <h1> through <h6> . <h1>Biggest heading — the main title</h1> <h2>A little smaller</h2> <h3>Smaller still</h3> <h4>Getting small</h4> <h5>Pretty small</h5> <h6>Tiny — barely used</h6> Drop that into any HTML file and the browser automatically makes <h1> look huge and bold, and <h6> look small and plain. No CSS required. It just works out of the box. Think ...