h1, h2, h3, etc are considered as Header Tags. To categorize text headings on a web page, Header Tags are used in HTML coding. They create titles and names of major topics on a web page. These activities help web visitors and Search Engines to understand the missions and objectives of that web page. Header Tags use a cascading format, and thus, a page should have one H1 or the main title. At the next positions of H1, you can create multiple H2s or subtitles. Just like H1s, each of these H2s can also have sub-titles or sub-sub titles like H3s. Do not forget these following points-