META Tags for Search Engine Optimization

1. The HTTP-EQUIVHTTP-EQUIV is similar to the HTTP header protocol, which responds to some useful information for the browser to help display the webpage content correctly and accurately. Commonly used HTTP-EQUIV types are: 1, Content-Type and Content-Language (display character set settings) usage: Metahttp-equivContent-TypeContenttexth

1. The HTTP-EQUIV is similar to the HTTP header protocol, which responds to give the browser some useful information to help display the webpage content correctly and precisely. Common HTTP-EQUIV types: 1, Content-Type and Content-Language (display character set settings) usage: Meta http-equiv = "Content-Type" Content = "text/h

1. HTTP-EQUIV

The HTTP-EQUIV is similar to the HTTP header protocol, which responds to some useful information for the browser to help display the web content correctly and precisely. Commonly used HTTP-EQUIV types are:

1. Content-Type and Content-Language (display character set setting)

Usage: Or

Sets the character set used on the page to describe the text or language used by the homepage. the browser then calls the corresponding character set to display the page content. Simplified Chinese is generally GB2132, traditional Chinese is BIG5, Japanese character set is iso-2022-jp, Korean is ks_c_5601.

2. Refresh)

Usage: Or

The number of seconds for a webpage to refresh itself, or the number of seconds for the webpage to automatically link to another webpage.

3. Expires (TERM)

Usage: Or

Specifies the expiration time of the webpage in the cache. Once the webpage expires, it must be re-accessed on the server. Note: The GMT time format must be used.

4. Pragma (cach Mode)

Usage:

The webpage is not saved in the cache, and the page is refreshed every time the webpage is accessed. In this way, visitors will not be able to browse offline.

5. Set-Cookie (cookie setting)

When a browser accesses a page, it will exist in the cache. The next visit can be read from the cache to increase the speed. When you want a visitor to refresh the icon of your advertisement every time, or refresh your counter every time, the cache will be disabled. Generally, you do not need to disable caching for HTML files. For pages such as ASP, you can disable caching, because every time you see a page that is dynamically generated on the server, the cache becomes meaningless. If the webpage expires, the cookie on the disk will be deleted. The GMT time format must be used.

6. Window-target (display Window settings)

Usage:

Force the page to be displayed on an independent page in the current window. This attribute is used to prevent others from calling your page in the framework. Content options: _ blank, _ top, _ self, and _ parent.

7. Pics-label (webpage RSAC rating)

Usage:

There is a content setting in the Internet option of IE, which can prevent browsing of some restricted websites. this parameter is used to set the website restriction level.

8. Page-Enter and Page-Exit (Entry and Exit)

Usage:

Or:

This is some special effects of page loading and calling. Note: blendTrans is a type of dynamic filter that produces a fade effect. Another dynamic filter RevealTrans can also be used for page entry and exit effects: Duration indicates the Duration of the filter effect (unit: seconds); Transition filter type. Which special effect is used? The value ranges from 0 to 23.

9. IE6 (page builder)

Usage:

The Page generator is ie6.



Author: 125.78.15.*2007-11-10 reply to this speech

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10. Content-Script-Type (Script-related)

Usage:

Note: This is a recent W3C specification that specifies the script type on the page.

Ii. NAME variable

Name indicates the webpage, corresponding to Content (webpage Content ), this allows search engines to search for and classify robots. (currently, almost all search engines use online robots to automatically search for meta values to classify webpages ).

11. Keywords)

Usage:

A list of keywords provided by the search engine. Note: keywords are separated by commas. It is best to keep the number of keywords within five, which must be related to the page content.

12. Description)

Usage:

Description is used to tell the search engine about your website or the main content of the page. The Description must be related to the page content, with a maximum of 150 words.

13. Robots (robot wizard)

Usage:

Note: Robots is used to tell Robots which pages need to be indexed and which pages do not need to be indexed. Content parameters include all, none, index, noindex, follow, and nofollow. The default value is all.
　　　
All: The file will be retrieved, and the link on the page can be queried; none: the file will not be retrieved, and the link on the page cannot be queried; (and "noindex, no follow "plays the same role); index: the file will be retrieved; (allow robot/spider to log on); follow: the link on the page can be queried; noindex: files will not be retrieved, but links on the page can be queried; (do not allow robot/spider to log on); nofollow: files will not be retrieved, and links on the page can be queried. (Do not allow robot/spider to search down the connection on this page ).

14. Author (Author)

Usage:

Mark the author or production group of the webpage. Content can be the name or Email of you or your production team.

15. Copyright)

Usage:

Copyright.

16. Generator (editor)

Usage:

Editor description.

17. revisit-after (revisit)

Usage: Www_Chinaz_com

Generally, it is used as the time interval for guiding the search engine to re-access your site. Generally, days is used.

Iii. Examples of META:

// Set the page language to simplified Chinese

// Set keywords

// Set the description

// Set the page to automatically refresh within 30 seconds

// Set to allow search engines to search, and the link on the page can be queried

// Search robot settings for google allow search engines to search, and links on the page can be queried

// Page author

// Page Copyright

// Set the return visit to 1 day