Heading structure

For accessibility and SEO you must put headings into the correct heading tag as opposed to just making it bold.

The post title is a

, so your main headings in your posts should be

s and subheaders should be

s

What about sub sub headers

Headings go from

to

, you can use all of them. If you use

it must belong to a

which inturn must belong to a

and so on.