htaccess - How to force the client's browser to clear the cache?

Question

For my site I have the following htaccess rules:

# BEGIN Gzip

AddOutputFilterByType DEFLATE text/text text/html text/plain tex         


        

Answer 1

You can force browsers to cache something, but

You can't force browsers to clear their cache.

Thus the only (AMAIK) way is to use a new URL for your resources. Something like versioning.