Is mate a single tag in html?

Mate in html is a single tag. It has no end tag and does not contain any content, such as "". The "" tag is always located inside the head element and provides meta information about the page, such as description and keywords for search engines and update frequency.

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

mate in html is a single tag, it has no closing tag.

Metadata is the data information of the data. The

tag provides metadata for an HTML document. The metadata will not be displayed on the client, but will be parsed by the browser.

The META element is usually used to specify the description, keywords, last modification time of the file, author and other metadata of the web page.

Metadata can be called using browsers (how content is displayed or pages are reloaded), search engines (keywords), or other web services.

The tag is usually located within the area. Metadata usually appears as name/value pairs.

Example

Example 1 - Define document keywords for search engines:

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

Example 2 - Define web page description:

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

Example 3 - Definition page author:

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

实例 4 - 每30秒刷新页面：
<meta http-equiv="refresh" content="30">

Attributes:

Html5 Video Tutorial"

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