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What should you add to a Cache-Control response header?
For the files in the application that will not change, you can usually add aggressive caching by sending the response header below. This includes static files that are served by the application such as images, CSS files and JavaScript files, for example. In addition, see also the Expires header.
How do you add an expires or a Cache-Control header?
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 incomplete or no Cache-Control and pragma HTTP header set?
Why Incomplete or No Cache-control and Pragma HTTP Header Set can be dangerous. The ‘Cache-control’ HTTP header holds instructions for caching in both requests and responses. The ‘Pragma’ header is used for backwards compatibility with HTTP/1.0 where the ‘Cache-control’ header is not yet presented.
How do I set Cache-Control HTTP header?
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.
Is the pragma header the same as the Cache Control header?
Pragma is a HTTP/1.0 header, it is not specified for HTTP responses and is therefore not a reliable replacement for the general HTTP/1.1 Cache-Control header, although it does behave the same as Cache-Control: no-cache, if the Cache-Control header field is omitted in a request.
What’s the difference between expires and cache-control headers?
What’s the difference between Expires and Cache-Control headers? Cache-Control was introduced in HTTP/1.1 and offers more options than Expires.
When to use pragma for HTTP / 1.0?
Use Pragma only for backwards compatibility with HTTP/1.0 clients. Request header, Response header (response behavior is not specified and thus implementation-specific). Same as Cache-Control: no-cache. Forces caches to submit the request to the origin server for validation before releasing a cached copy.
Which is the same as cache-control : no-cache?
Same as Cache-Control: no-cache. Forces caches to submit the request to the origin server for validation before releasing a cached copy. The compatibility table on this page is generated from structured data.