There are six heading tags. H1 to H6

The most important heading tag is the h1 tag and least important is the h6 tag. In HTML coding, the heading tags from h1 to h6 form a top-down hierarchy. This means that if you skip any of the tag numbers the heading structure will be broken, which is not ideal for on-page SEO.

H1 to H6 are the heading tags in HTML H1 is more important for SEO.

HTML Header tags, as their name suggests, are used to differentiate the headings and sub-headings of a page from the rest of the content. These tags are also known to webmasters as heading tags or simply header tags.

Tags are generally used to classify content in a way that is useful for the reader and easy for search engines to understand, which potentially makes them incredibly important for both SEO and usability.

The most important heading tag is the h1 tag and least important is the h6 tag. In HTML coding, the heading tags from h1 to h6 form a top-down hierarchy. This means that if you skip any of the tag numbers the heading structure will be broken, which is not ideal for on-page SEO.

You can use from H1 to H6