How to add a subtitle to html

Question

How do you add subtitles to you html is it separate or in the header tag as well?

Answer 1

Also note that closing tags use / not \ so an h1 for example would be <h1>subtitle</h1>. In your subtitle example, you have the wrong slash.

Answer 2

You have h1 to h6 tags for that.
http://html5doctor.com/howto-subheadings/