Heading 1 (Main Page Title)
The H1 heading defines the most important heading on the page and there should generally be only one per page.
Heading 2 (Major Section Heading)
H2 headings are used for the main subheadings of your content.
Heading 3 (Sub-section Heading)
H3 tags further divide the content under H2 subheadings.
Heading 4 (Even Smaller Heading)
H4 tags are for any additional content structuring under H3 tags and are less common.
Heading 5 (Minor Section Heading)
H5 tags are for organizing content under H4 tags and carry less SEO weight.
Heading 6 (Least Important Heading)
H6 tags are the least commonly used header tags