You can force HTTP headers to influence browser caching behavior, however this is probably not a good idea in a production environment where you want to cache.
So just use something like:
expires -1
To force the title Cache-Control no-cache
More details here:
http://wiki.nginx.org/HttpHeadersModule
, , . , CDN, . , , (.. - ). :
someimagev1.jpg
someimagev2.jpg
somejs1.js
somejs2.js
etc.
( HTML) .