Clear web cache (htmlaspphpjava)

To clear the cache, you only need to set the page to no-cache. of course, for example, asp and php, you only need to set Expires, as shown below. HTML webpage: METAHTTP-EQUIVquo... to clear the cache, you only need to set the page to no-cache. of course, for example, asp and php, you only need to set Expires, as shown below.

HTML webpage:

ASP webpage:

Response.Expires = -1 Response.ExpiresAbsolute = Now() - 1 Response.cachecontrol = "no-cache"

PHP webpage:

header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); header("Cache-Control: no-cache, must-revalidate"); header("Pragma: no-cache");

JSP webpage

response.setHeader("Pragma", "No-cache"); response.setHeader("Cache-Control", "no-cache"); response.setDateHeader("Expires", 1);