Web features explorer - <h1> through <h6>

Tags: api html Groups: HTML > HTML elements

The <h1> through <h6> HTML elements represent six levels of section headings, in order of decreasing importance. To learn more, see HTMLHeadingElement at MDN.

Compatibility

Chrome 1 Released on 2008-12-11
Chrome Android 18 Released on 2012-06-27
Edge 12 Released on 2015-07-29
Firefox 1 Released on 2004-11-09
Firefox for Android 4 Released on 2011-03-29
Safari 3 Released on 2007-10-26
Safari on iOS 1 Released on 2007-06-29

Specifications

HTML Standard (#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements), from HTML Workstream (WHATWG).