Learn how headings help search engines and readers understand a page: the h1 to h6 outline, how many h1 elements to use, writing clear and natural headings, avoiding fake headings and stuffing, jump links, FAQs, and templates. Includes a live heading outline checker, a heading level sorter, and a heading duel quiz.
Learn how to use HTML headings h1 to h6 to build a clear page outline. Understand heading hierarchy, best practices for SEO and accessibility, common mistakes, and how to style headings with CSS on CodeHarborHub.
Learn the HTML section element: grouping content by theme with a heading, when to use section instead of div, article, or main, naming a section as a region landmark with aria-labelledby, heading levels and why the document outline algorithm does not work, landing page patterns, and common mistakes, with live examples.
Learn how semantic HTML makes pages accessible: heading outlines, landmarks, lists, buttons versus links, skip links, reading order, and visually hidden text. Includes a live structure navigator that shows what a screen reader user can jump between, and a real skip-link focus test.