https://www.webmaster-forums.net/crss/node/1018844 en https://www.webmaster-forums.net/server-side-scripting/back-button-dynamically-generated-pages-are-expiring#comment-1111335 <p>are you sending no-cache headers or expiration headers?</p> <p>you can try this, not sure if it will work though:</p> <p><div class="codeblock"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />&nbsp;&nbsp;&nbsp; </span><span style="color: #007700">@</span><span style="color: #0000BB">header</span><span style="color: #007700">(\</span><span style="color: #DD0000">"Expires: \" . gmdate (\"M d Y H:i:s\",time() + 8640000)); <br />?&gt;</span></span></code></div></p> Fri, 12 Jul 2002 17:45:55 +0000 ROB comment 1111335 at https://www.webmaster-forums.net