Preventing iframe caching in browser

Question

How do you prevent Firefox and Safari from caching iframe content?

I have a simple webpage with an iframe to a page on a different site. Both the outer page and the

Answer 1

If you want to get really crazy you could implement the page name as a dynamic url that always resolves to the same page, rather than the querystring option?

Assuming you're in an office, check whether there's any caching going on at a network level. Believe me, it's a possibility. Your IT folks will be able to tell you if there's any network infrastructure around HTTP caching, although since this only happens for the iframe it's unlikely.