Lars Torunski - [02/Apr/06 01:00 AM ] Specifies the maximum amount of time in seconds that the cache content will be considered new in the browser's cache. The browser will retrieve the content from it's own cache for the amount of time without requesting the web server again. The default max-age time is 60 seconds. Combined with the last modified header the transaction overhead and server load is reduced excellently which speed ups the server response time. Further parameters are no init for don't initializing the max-age cache control and time to set max-age based on the time parameter and creation time of the content (expiration timestamp minus current timestamp) by each request.