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    <h1>

    Summary

    Heading elements implement six levels of document headings, <h1> is the most important and <h6> is the least. A heading element briefly describes the topic of the section it introduces. Heading information may be used by user agents, for example, to construct a table of contents for a document automatically.

    Attributes

    These elements include the global attributes.

    The align attribute is in HTML 4.01 and in HTML5.

    Examples

    All headings

    The following code shows all the heading levels, in use.

    <h1>Heading level 1</h1>
    <h2>Heading level 2</h2>
    <h3>Heading level 3</h3>
    <h4>Heading level 4</h4>
    <h5>Heading level 5</h5>
    <h6>Heading level 6</h6>
    

    Here is the result of this code:

    Example page

    The following code shows a few headings with some content under them.

    <h1>Heading elements</h1>
    <h2>Summary</h2>
    <p>Some text here...</p>
    
    <h2>Examples</h2>
    <h3>Example 1</h3>
    <p>Some text here...</p>
    
    <h3>Example 2</h3>
    <p>Some text here...</p>
    
    <h2>See also</h2>
    <p>Some text here...</p>
    

    Here is the result of this code:

    Notes

    Do not use lower levels to decrease heading font size: use the CSS font-size property instead.

    Avoid skipping heading levels: always start from <h1>, next use <h2> and so on. Also try to have only one first level heading on a page.

    In HTML5, use the <section> element to define the outline of a document. Headings provide titles for sections and subsections. You can also group a heading and its content using the <div> element.

    Specifications

    Specification Status Comment
    WHATWG HTML Living Standard Living Standard  
    HTML5 Candidate Recommendation  
    HTML 4.01 Specification Recommendation  

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support (Yes) 1.0 (1.7 or earlier) (Yes) (Yes) (Yes)
    Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support (Yes) 1.0 (1.0) (Yes) (Yes) (Yes)

    See also

    Document Tags and Contributors

    Contributors to this page: ethertank, teoli
    Last updated by: ethertank,