Why isn't a JS file hosted on Amazon S3 getting cached by the browser?

Posted by Paras Chopra on Stack Overflow See other posts from Stack Overflow or by Paras Chopra
Published on 2010-05-05T12:14:52Z Indexed on 2010/05/05 12:18 UTC
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Filed under:

amazon-s3

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JavaScript

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caching

I have a JS file hosted on Amazon S3 (http://s3.amazonaws.com/wingify/vis_opt.js). I want the file to be cached on users' browsers so that they don't have to download it with every page view. However, in spite of setting Cache Control header I don't think it is getting cached. Browser still contacts Amazon Server with every pageview.

Here is the example of page where this script is embedded: http://myjugaad.in/

If you have Firebug, you will be able to see that browser requests it with every pageview.

What can I do so that the file gets permanently cached? Thanks for help.

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