Using W3 Total Cache, I set expire headers to media, css and js files,but it seems doesn’t work [closed]

My first port of call would be to make sure that you have all the appropriate modules enabled for your server. For example, on a LAMP stack:

In your apache’s http.conf the following lines would need to be uncommented

LoadModule expires_module modules/mod_expires.so
LoadModule headers_module modules/mod_headers.so
LoadModule mime_module modules/mod_mime.so

You would need to restart your apache server for this to take effect

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