Return some useful information to the browser to make the page display the correct information.
< meta http-equiv=” equiv “content=” equiv” >
HTTP – equie parameters
1.Expires Uses the GMT time format. The page expires and is retransmitted to the server.
< meta http-equiv=” Expires “Content =”Wed, 20 Jun 2007 22:33:00 GMT” >
Pragma(Cache mode) prevents the browser from retrieving page content from the cache on the local machine
< metahttp – equiv = “Pragma” content = “no – cache” >
3. Refresh The URL is automatically refreshed after 2 seconds
< meta http-equiv=”Refresh” content=”2; URL=http://www.net.cn/ “>
4. Set-cookie The page expires, then the saved Cookie will be deleted
The < meta HTTP – equiv = “Set – the Cookie” content = “cookievalue = XXX; Expires =Wednesday, 20-Jun-2007 22:33:00 GMT; Path = / “>
5. Window-target(the display Window setting forces the page to be displayed as a separate page in the current Window to prevent others from calling their own page in the frame)
< meta http-equiv=” window-target “content=”_top” / >
Content-type (display character set Settings)
The < meta HTTP – equiv = “content-type” content = “text/HTML. Charset = gb2312 “/ >
7.Pics-label(Website Rating)
Cache 8.
9. The key word
Described 10.
11. Set an expiration date for your web page
