Heading Tags are very much characterized by W3Schools that:
<h1> to <h6> labels are utilized to characterize Heading on a web archive.
Heading labels references
“As indicated by W3Schools – <h1> </h1> is the primary heading which is basic for any web archive and <h6></h6> is the slightest vital heading that holds less significance in a web report when contrasted with other heading labels. “