Prevent Refresh - sounds like an FAQ

[Aaron Fude]

I use JSP and I have a page with takes 10 seconds to generate at the server
end..
If you user goes past it and then hits the "Back" button, the report is
regenerated. But, of course, I want the cached version displayed to save the
10 second wait.

What controls whether the page is refreshed or cached? How can you force it
to cache and not refresh?

Thank you,

Aaron Fude

 

[Steve Pugh]

I use JSP and I have a page with takes 10 seconds to generate at the server
end..

Ouch. It had better be something the user really needs...

If you user goes past it and then hits the "Back" button, the report is
regenerated. But, of course, I want the cached version displayed to save the
10 second wait.

What controls whether the page is refreshed or cached? How can you force it
to cache and not refresh?

Read http://www.mnot.net/cache_docs/ and learn how caching works. In
particular the section on writing cache aware scripts
http://www.mnot.net/cache_docs/#SCRIPT

Check the cachability of your pages with
http://www.ircache.net/cgi-bin/cacheability.py

Of course the best solution would also involve eliminating that 10
second generation time.

Steve

 

[David Dorward]

What controls whether the page is refreshed or cached?

A combination of browser settings and cache control http headers.
http://www.mnot.net/cache_docs/

How can you force it to cache and not refresh?

You can't. You can ask, but not force.

 

[brucie]

in post: <

What controls whether the page is refreshed or cached?

the visitor

How can you force it to cache and not refresh?

be the visitor