The <header> HTML element represents introductory content, typically a group of introductory or navigational aids. It may contain some heading elements but also a logo, a search form, an author name, and other elements.
The <header> HTML element represents introductory content, typically a group of introductory or navigational aids. It may contain some heading elements but also a logo, a search form, an author name, and other elements.
The <header> element has an identical meaning to the site-wide banner landmark role, unless nested within sectioning content. Then, the <header> element is not a landmark.
The <header> element can define a global site header, described as a banner in the accessibility tree. It usually includes a logo, company name, search feature, and possibly the global navigation or a slogan. It is generally located at the top of the page.
Otherwise, it is a section in the accessibility tree, and usually contains the surrounding section's heading (an h1 – h6 element) and optional subheading, but this is not required.
The <header> element originally existed at the very beginning of HTML for headings. It is seen in the very first website. At some point, headings became <h1> through <h6>, allowing <header> to be free to fill a different role.
This element only includes the global attributes.
html
<header> <h1>Main Page Title</h1> <img src="mdn-logo-sm.png" alt="MDN logo" /> </header>
html
<article> <header> <h2>The Planet Earth</h2> <p> Posted on Wednesday, <time datetime="2017-10-04">4 October 2017</time> by Jane Smith </p> </header> <p> We live on a planet that's blue and green, with so many things still unseen. </p> <p><a href="https://example.com/the-planet-earth/">Continue reading…</a></p> </article>
The <header> element defines a banner landmark when its context is the <body> element. The HTML header element is not considered a banner landmark when it is descendant of an <article>, <aside>, <main>, <nav>, or <section> element.
| Content categories | Flow content, palpable content. |
|---|---|
| Permitted content | Flow content, but with no <header> or <footer> descendant. |
| Tag omission | None, both the starting and ending tag are mandatory. |
| Permitted parents | Any element that accepts flow content. Note that a <header> element must not be a descendant of an <address>, <footer> or another <header> element. |
| Implicit ARIA role | banner, or generic if a descendant of an article, aside, main, nav or section element, or an element with role=article, complementary, main, navigation or region |
| Permitted ARIA roles | group, presentation or none |
| DOM interface | HTMLElement |
| Specification |
|---|
| HTML Standard # the-header-element |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
header |
5 | 12 | 4 | 9 | 11.1 | 5 | 4.4 | 18 | 4 | 11.1 | 4.2 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/HTML/Element/header