Cache Output HTML


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Cache Output HTML

by Anonymous Monk

on Nov 08, 2001 at 23:28 UTC ( [id://124144]=perlquestion: print w/replies, xml )

Need Help??

Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question:

Hi.

What is the header that should go along with print "Content-type: text/html\n\n"; that will force the browser to cache the html outputted by a cgi script?

Thanks,
Ralph.

Comment on Cache Output HTML

Replies are listed 'Best First'.

Re: Cache Output HTML
by Asim (Hermit) on Nov 08, 2001 at 23:47 UTC

As a rule, you can recommend, not force, a browser to cache, or not cache, a page. Most browsers will listen to the "Expires" Header:
Expires: Fri, 30 Oct 1998 14:19:41 GMT
And the more recent (HTTP 1.1) "Cache-Control" Header:
Cache-Control: max-age=3600, must-revalidate
To sort these things out. Check out How (and how not) to Control Caches for more on this.

----Asim, known to some as Woodrow.

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