The W3C has dropped this tag in its HTML5 specification but this element is still present in the WHATWG living standard specification.
HTML5 <hgroup> tag
The <hgroup> tag groups the multi level heading elements from <h1> to <h6> .
This is used when there are multiple levels for the heading of the section.
The multiple levels can be like heading, subheading under the heading, title under the heading etc in each section.
This tag should not be a descendant of <header>, <footer> or <address> tag.
<hgroup>all heading tags</hgroup>
How Browser will display
Difference between HTML4.01, XHTML and HTML5
|NA||NA||Added in HTM5 but deprecated in HTML5 as well|
Attributes used with <hgroup> tag
The <hgroup> tag supports Global attributes.
The <hgroup> tag supports Event attributes.
<header>, <footer>, <address> , <h1>, <h2>, <h3>,<h4>,<h5>, <h6>,<body>,<section> or <nav> tags.