Heading is the most important things in any documents. Any kind of documents starts with a heading. We use different sizes for your headings. Html also have six levels of headings, which use the elements <h1>, <h2>, <h3>, <h4>, <h5>, and <h6>. While displaying any heading, browser adds one line before and after that heading.
Don't use headings to make text big or bold. Use Html headings only for headings.
Html heading helps in SEO. Search engines use your headings to index the structure and content of your web pages.
It is important to use headings to present documents more user friendly in nature.
The h1 element specifies most important and biggest heading and h6 is the least and smallest heading in a Html document.