Thanks Cuckoo
So what will I did to do so every time somebody comes to my site, they will get the very latest up to date content?
You mention appropriate HTTP headers, cache control headers ?
This is how my page looks:
HTML Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>test</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<META NAME="Description" CONTENT="test title">
<META NAME="Keywords" CONTENT="test, test1, test2">
<meta name="revisit-after" content="15 days">
<META NAME="Language" CONTENT="english">
<META NAME="Robots" CONTENT="All">
Something I need to add? 
upadate just got the link cheers, quite a lot of reading on this subject
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