Example Analysis of HTML5 header meta

This article mainly shows you "HTML5 header meta example analysis", the content is simple and easy to understand, organized clearly, I hope to help you solve doubts, let Xiaobian lead you to study and learn "HTML5 header meta example analysis" this article bar.

Used to define page meta information, that is, specify some name-value pairs. In addition to the id attribute, the element can also specify the following three attributes:

http-equiv: Specifies the name of the meta information. The name specified by this attribute has a special meaning. It can return some useful information to the browser to help the browser process the content of the web page correctly.

name: Specifies the name of the meta information, which can be arbitrarily specified.

content: Specifies the value of the meta information.

Specify valid keywords for web pages to help search engines include this site.

The commonly used values supported by http-equiv attribute are as follows:

Expires: Specifies the expiration time of the page. Once the web page expires, it must be downloaded again on Bear Server.

Pragma: Specifies that browsers are prohibited from retrieving page content from local disk cache, and once the browser leaves the page, it cannot access the page offline. For example:

Refresh: Specifies how long the browser will automatically refresh the specified page. for example

Set-Cookie: Set cookies. If the web page expires, cookies on the client will also be deleted.

meta http-equiv="Set-Cookie" content="name=value expires= Sat Sep 27 16:12:36 CST 2008, path=/" />

5.content-Type: Set the content type of the page and the character set used

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