howard chen wrote:
Hello, Consider currently I am using mod_expire to set a HTML file to 15 minutes expire. The file change quite frequently, sometime maybe changed within 15 minutes so I want my user to see the change as soon as possible...
Well, in that case set it to expire right away, or forbid caching.The worst that could happen is that user's browsers would reload it each time. You have to know what's worse : having someone inadvertently re-use a version that was replaced 2 minutes ago, or having the page served again by your server even unnecessarily.
sometimes the file does not change even for 10 days! So what expire value I should set?
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