Web platform features explorer

<h1> through <h6>

Widely available since 2018-01-29
Tags: api html Groups: HTML > HTML elements

The <h1> through <h6> HTML elements represent six levels of section headings, in order of decreasing importance.

Browser support

  • 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