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What is cache max-age?
max-age. The max-age directive states the maximum amount of time in seconds that fetched responses are allowed to be used again (from the time when a request is made). For instance, max-age=90 indicates that an asset can be reused (remains in the browser cache) for the next 90 seconds.
How do you set your max-age?
Java HttpCookie setMaxAge() Method The setMaxAge(long expiry)method of Java HttpCookie class is used to set the maximum age of the cookie within seconds. The result with a positive value indicates that the cookie will expire after the specified time in seconds.
How long is Max-age 31536000?
one year
max-age: Defines the maximum time that the content may be cached before it must be revalidated or downloaded again from the original server. This option generally replaces the expires header (see below) and takes a value in seconds, with a maximum valid age of one year (31536000 seconds).
What is cookie Max-Age?
When an Expires date is set, the deadline is relative to the client the cookie is being set on, not the server. Max-Age= Optional. Number of seconds until the cookie expires. A zero or negative number will expire the cookie immediately. If both Expires and Max-Age are set, Max-Age has precedence.
Which is cache overrides max-age or Expires header?
Overrides max-age or the Expires header, but only for shared caches (e.g., proxies). Ignored by private caches. Indicates the client will accept a stale response. An optional value in seconds indicates the upper limit of staleness the client will accept.
How to set cache expiry time in Apache?
You should take a look at apache mod_expire, and the ability to set expiry times for assets using the .htaccess file. http://www.google.com/?q=apache+cache+control+htaccess#q=apache+cache+control+htaccess The Cache-Control header is used in HTTP 1.1 to control the behavior of caches.
How is cache control used in HTTP 1.1?
The Cache-Control header is used in HTTP 1.1 to control the behavior of caches. The max-age directive is used to specify (in seconds) the maximum age of the content before it becomes stale (i.e., the content will not change for some period of time).
When to use the max-age directive in HTML?
The max-age directive is used to specify (in seconds) the maximum age of the content before it becomes stale (i.e., the content will not change for some period of time). So if you know that your content will not change for 3 days, you want your server to add the following HTTP header: Cache-Control: max-age=259200.