How to prevent css and js from being used by your ISP?

Question

I have a "dump" isp that has always cached internet pages and its css for at least 1 day. Despite the fact that css / js on the server have changed, the css submitted does not change (every time I was cleared by the cache)

how to "say" my isp not to cache some files like css and js?

thanks!!

at the moment: I use a proxy server to check on a developed network that it is not cached.

Answer 1

The qaru method solves this problem itself: add the version parameter to the CSS and JS URLs that are related to the version of the referenced files:

 <link rel="stylesheet" href="http://sstatic.net/so/all.css?v=4542">

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Answer 2

, :

<link href="/css/style.css?cachekiller=1337" media="screen" rel="stylesheet" type="text/css" />

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<?php time() ?> 

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Answer 3

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