Definitions for "Heading tags"
Those which signify titles and headings - should contain keywords.
A piece of HTML code that labels a part of your web site's text as a heading. A heading tag looks like this H1 My Website. /H1
A paragraph style that is displayed in a large, bold typeface. Having text containing keywords in the Heading Tags can improve the search engine ranking of a page for those keywords.
Headings are used to separate the content of a Web Page into logical sections.