Full page reload on Post/Redirect/Get ignoring cache control

Posted by Kristof Neirynck on Stack Overflow See other posts from Stack Overflow or by Kristof Neirynck
Published on 2010-06-09T09:50:43Z Indexed on 2010/06/09 12:12 UTC
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Filed under:

cache

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redirect

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safari

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google-chrome

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reload

I have a page that loads a lot of images, css and javascript. I've added a far future Expires header and set Cache-Control to public on these external dependencies so they should be cached. But every time I do a Post/Redirect/Get chrome tries to load these again. This behavior is very similar to reloading the page. I've added ETags and handle the If-None-Match header which helps a bit, but it still generates too many useless requests.

How do I tell chrome and safari to get the files from cache?

chrome   NOK
safari   NOK
firefox  OK
ie       OK

Also see Full page reload on Post/Redirect/Get ignoring cache control on the google support forum.

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