How are the Revisit-After META tags processed?

[sid]

I went into your documentation on PhpDig and read all the revisit-after meta tags stuff.... But then , in a page, I put the value:
<meta name="revisit-after" content="7 days">

and it was all correct. But when I tried it with PhpDig, I waited 10 days for it to revisit automatically and it didn't work :confused:

So, is there another way to do it?

Or, Am I wrong, it doesn't work?

[Charter]

Hi. Did you set a cron job? Nothing about the META tag itself will automatically run PhpDig.