<meta http-equiv= "Imagetoolbar" content= "no"/> What does it mean? What to do with it

What is the meaning?
This is inThe thing in the label, do not understand what http-equiv mean? Please explain the meaning of the master in detail. By the way, explain the other code meanings, and thank you here.

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It's like removing the small icons that appear on the image to save and email.
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Indicates whether the Picture toolbar is displayed, when False is not displayed, and when True represents the display.





The meaning of meta other tags

Meta tag of Http-equiv=content-type content= "text/html

Http-equiv=content-type represents the HTTP header protocol, prompting the browser Web page for information,

　　

Meta tag of charset information parameters such as GB2312, the representative of the website is the use of the code is Simplified Chinese;

Meta tag charset information parameters such as BIG5, the representative of the website is the use of the encoding is traditional Chinese;

Meta tag of the charset information parameters such as ISO-2022-JP, the representative of the website is to use the encoding is in Japanese;

Meta tag of the charset information parameters such as ks_c_5601, the representative of the website is to use the encoding is Korean;

Meta tag charset information parameters such as Iso-8859-1, the representative of the website is the use of the code is in English;

Meta tags of the charset information parameters such as UTF-8, representing the world's universal language coding;





META tags for generator

　　

Meta tag of the generator information parameter, which represents the description of what the website uses for software production.




META tags for keywords

The wording is:

Meat the Keywords information parameter of the label, which represents the keyword of the website.





META tags for description

　　

Meta tags are description information parameters that represent the main content of the website and what the profile is.





Meta tags for author

　　

Meta tag of the author information parameter, which represents the website copyright author information.





Meta tag for http-equiv= "Refresh"

　　

The refresh of the meta tag represents how much time the page is automatically refreshed, plus the URL parameters in the URLs represent how long it takes to automatically link to other URLs.





Meta tag http-equiv= "Pragma" content= "No-cache"

　　 The representative prohibits the browser from accessing the contents of the page from the local computer's cache, setting, visiting

Users will not be able to browse offline.





The copyright of META tags

　　

Meta tag of the copyright information parameters, representative of the website information.




META tags for content-script-type

　　

Web page specification that indicates the type of script in the page.




META tags for revisit-after

　　

Revisit-after on behalf of the site re-visit, 7 days for 7 day, and so on.




META tags for robots

　　

Robots representative tells the search engine what pages the robot crawls

The properties are described as follows:

parameter is none: The file will not be retrieved and the link on the page cannot be queried;

The information parameter is index: The file will be retrieved;

The information parameter is follow: the link on the page can be queried;

The information parameter is all: The file will be retrieved and the link on the page can be queried;

Letter

The information parameter is NOINDEX: The file will not be retrieved, but the link on the page can be queried;

The information parameter is nofollow: The file will be retrieved, but the link on the page can not be queried;



Don't forget to divide

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