As a rule, you can recommend, not force, a browser to cache, or not cache, a page. Most browsers will listen to the "Expires" Header:
Expires: Fri, 30 Oct 1998 14:19:41 GMT
And the more recent (HTTP 1.1) "Cache-Control" Header:
Cache-Control: max-age=3600, must-revalidate
To sort these things out. Check out How (and how not) to Control Caches
for more on this.
----Asim, known to some as Woodrow.
Are you posting in the right place? Check out Where do I post X? to know for sure.
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
Want more info? How to link
or How to display code and escape characters
are good places to start.