Clear browser local cache by sending http headers

cachehttp-headers

I have modified js and css files in my website. But browser still fetch the contents from local cache because browser has stored it. I want to fetch the fresh content from the server without clearing the local cache.
Previously max-age header was set to 1 year. Now I have set it to 0. Still it does not fetch fresh content.

Is there any way I will send headers from server to the browser and it will fetch fresh contents, ignoring previous files stored in local cache.

Thank you

Best Answer

Send Cache-control: no-cache to tell receiving browsers to release a cache entry. This has to be sent for every object in the cache so is probably better done with a script.

Related Solutions

Nginx HTTP Headers – Setting the ‘Expires’ Header for Static Content

I prefer to do a more complete cache header, in addition to some more file extensions. The '?' prefix is a 'non-capturing' mark, nginx won't create a $1. It helps to reduce unnecessary load.

location ~* \.(?:ico|css|js|gif|jpe?g|png)$ {
    expires 30d;
    add_header Pragma public;
    add_header Cache-Control "public";
}

Web-server – How to make HTTP Cache Headers Work

if you remove the Last-Modified and ETag header, you will totally eliminate If-Modified-Since and If-None-Match requests and their 304 Not Modified Responses, so a file will stay cached without checking for updates until the Expires header indicates new content is available.

source: http://www.askapache.com/htaccess/apache-speed-last-modified.html

Best Answer

Related Solutions

Nginx HTTP Headers – Setting the ‘Expires’ Header for Static Content

Web-server – How to make HTTP Cache Headers Work

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