HTML meta tag


Example

Describe metadata within an HTML document:

<head>
<meta name=”description” content=”I am a Software Developer, specializing in User Interface Design and Development.I build clean, appealing, and functional interfaces which comply with the latest web standards.”>
<meta name=”keywords” content=”varavanan,varavanan images,varavanan gallery,varavanan  saravanan,saravanan varavanan,varavanan wordpress,wordpress varavanan,varavanan on wordpress,varavanan php developer,php developer,php developer in madurai,saravananbalaranj,saravanan balaranj,saravanan-balaranj,saravanan c,c saravanan,cms developer,php framework developer,php freelancer,software engineer”>
<meta name=”author” content=”varavanan”>
<meta charset=”UTF-8″>
</head>

Definition and Usage

Metadata is data (information) about data.

The <meta> tag provides metadata about the HTML document. Metadata will not be displayed on the page, but will be machine parsable.

Meta elements are typically used to specify page description, keywords, author of the document, last modified, and other metadata.

The metadata can be used by browsers (how to display content or reload page), search engines (keywords), or other web services.


Tips and Notes

Note: <meta> tags always goes inside the <head> element.

Note: Metadata is always passed as name/value pairs.

Note: The content attribute MUST be defined if the name or the http-equiv attribute is defined. if none of these are defined, the content attribute CANNOT be defined.


Differences Between HTML 4.01 and HTML5

The scheme attribute is not supported in HTML5.

HTML5 has a new attribute, charset, which makes it easier to define charset:

  • HTML 4.01: <meta http-equiv=”content-type” content=”text/html; charset=UTF-8″>
  • HTML5: <meta charset=”UTF-8″>

Differences Between HTML and XHTML

In HTML the <meta> tag has no end tag.

In XHTML the <meta> tag must be properly closed.


Examples

Example 1 – Define keywords for search engines:

<meta name=”keywords” content=”HTML, CSS, XML, XHTML, JavaScript”>

Example 2 – Define a description of your web page:

<meta name=”description” content=”Free Web tutorials on HTML and CSS”>

Example 3 – Define the author of a page:

<meta name=”author” content=”Hege Refsnes”>

Example 4 – Refresh document every 30 seconds:

<meta http-equiv=”refresh” content=”30″>