<!doctype html> <html lang="en" class="no-js"> <head> <meta charset="utf-8"> <meta http-equiv="x-ua-compatible" content="ie=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="canonical" href="https://htmlcheatsheet.com/" /> <title>HTML CheatSheet</title> <meta name="description" content="A brief page description"> <meta name="keywords" content="html,cheatsheet" /> <meta property="fb:admins" content="YourFacebookUsername" /> <meta property="og:title" content="HTML CheatSheet" /> <meta property="og:type" content="website" /> <meta property="og:url" content="https://htmlcheatsheet.com/" /> <meta property="og:image" content="https://htmlcheatsheet.com/images/html-cheatsheet.jpg" /> <meta property="og:description" content="A brief page description" /> <link rel="apple-touch-icon" href="apple-touch-icon.png"> <link rel="alternate" hreflang="es" href="https://htmlcheatsheet.com/spanish/" /> <link rel="stylesheet" href="/styles.css"> <script src="/script.js"></script> </head><html> <head> </head> </html><h1>Hello</h1> <h2>Hello</h2> <h3>Hello</h3> <h4>Hello</h4> <h5>Hello</h5> <h6>Hello</h6>