Think of h1 as the book title. you only have one book title!
h2 is for major sections like chapters in a book
This text is very important (strong emphasis).
This text is emphasized (stress emphasis).
This text is Highlighted like a highlighter pen.
This text is small print (fine print/ disclaimers).
This text has deleted content (slashthrough).
This text has inserted text (underlined).
This is a WWW abbreviation.
This is computer code in a sentence.
Press Ctrl + S to save.
The computer says: File saved successfully
She said, HTML is awesome!
(inline quote)
This is a longer quotation that deserves its own block. It usually gets indented and stands out from regular text. - Someone Famous
This perserves spacing and
line breaks exactly as typed
Great for code or ASCII art!
Subscript: H20 (water)
Superscript: X2 + Y2 = Z2
Line
Break
Example
Horizontal rule above (thematic break)
h3 breaks down chapters into smaller parts
h4 is for specific topics within sections
h5 is RARELY used - only for very detailed organization
h6 is the SMALLEST - almost never needed