What does cache control do?

What does cache control do?

Cache-control is an HTTP header used to specify browser caching policies in both client requests and server responses. Policies include how a resource is cached, where it’s cached and its maximum age before expiring (i.e., time to live).

Where do I set cache control?

To use Cache-Control headers, choose Content Management | Cache Control Directives in the administration server. Then, using the Resource Picker, choose the directory where you want to set the headers. After setting the headers, click ‘OK’.

What is default cache control?

The default cache-control header is : Private. A cache mechanism may cache this page in a private cache and resend it only to a single client. This is the default value. Most proxy servers will not cache pages with this setting.

How do I set cache control in HTML?

To use cache-control in HTML, you use the meta tag, e.g. The value in the content field is defined as one of the four values below. HTTP 1.1. Allowed values = PUBLIC | PRIVATE | NO-CACHE | NO-STORE.

How do I know if cache is working?

How to find out if your website cache is working correctly?

1. A quick way of to test if your caching is enabled and working correctly on your website is by using the Cache Checker tool:
2. If you use the Cache Checker tool, you will also receive the cache header response.

How do I know if Cache is working?

How long is Max Age 604800?

max-stale. The max-stale=N request directive indicates that the client allows a stored response that is stale within N seconds. In the case above, if the response with Cache-Control: max-age=604800 was stored on caches 3 hours ago, the cache couldn’t reuse that response.

What happens if no-cache-control?

no-cache. The no-cache response directive indicates that the response can be stored in caches, but must be validated with the origin server before each reuse — even when the cache is disconnected from the origin server. no-cache allows caches to store a response, but requires them to revalidate it before reuse.

How do you set up cache?

Setting your Browser Cache

1. In the Tools menu, click Internet options .
2. In the General tab, click the Browsing history ‘s Settings button.
3. Select Every time I visit the webpage , and then click OK at the bottom of the page.
4. The next step is to clear your cache.