1. Specify the character set:
<http-equiv= "Content-type" Content= "text/html; Charset=utf-8" />
2, the search engine to explain the keywords of your page:
<name= "keywords" content= "keyword"/>
3, tell the search engine the main content of your site:
<name= "description" content= ""/>
4, tell the search engine the production of your site
<name= "Author" content= ""/>
5, timed to let the page in the specified time in n jump
<http-equiv= "Refresh" content= "n;url="/>
6, the courage to set the expiration time of the page, once expired must be recalled to the server, it is important to note that the GMT time format must be used:
<http-equiv= "Expires" content= "mon,12 may 00:00:00 GMT" />
7. Disable Caching:
<http-equiv= "Pragma" content= "No-cache"/>
8, cookie settings, if the page expires, save the cookie will be deleted, it should be noted that the GMT time format must also be used:
<http-equiv= "Set-cookie" content= "mon,12 may 00:00:00 GMT "/>
A few meta tag elements that are common