How do I set HTTP headers for Cache-Control?
To use the cache control in HTML, use the meta tag, for example, 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.
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How do I request the Cache-Control header?
To use Cache-Control headers, select Content Management | Cache control directives on the management server. Then using the Resource Selector, choose the directory where you want to set the headers. After setting the headers, click ‘OK’.
What should you add to a Cache-Control response header?
For files in the app that won’t change, you can usually add aggressive caching by sending the response header below. This includes static files that are served by the app, such as images, CSS files, and JavaScript files, for example. Also, see the Expires heading as well.
What is the use of the cache control header?
The cache control is an HTTP header used to specify browser caching policies on both client requests and server responses. Policies include how a resource is cached, where it is cached, and its maximum age before it expires (ie time to live).
How to set cache header in http?
To understand HTTP caching in general, you can refer to HTTP Cache Headers Explained and Cache Headers Practical Examples. Setting the “Cache-Control” header is straightforward. Just use the required directives for “Cache-Control” and send the header through the header function.
How to set cache control in PHP script?
Setting the “Cache-Control” header is straightforward. Just use the required directives for “Cache-Control” and send the header through the header function. Note that you must use this function before any output from the script is emitted. Since the ETag header must be unique for unique content, it requires a bit of logic.
How to configure cache control and ETag in PHP?
This tutorial will discuss how you can set the “Cache-Control” and “ETag” headers through PHP. To understand HTTP caching in general, you can refer to HTTP Cache Headers Explained and Cache Headers Practical Examples. Setting the “Cache-Control” header is straightforward.
What are the directives in the cache control header?
Who Can Cache Content: Public vs. Private Directives The Cache-Control header has two other directives to specify who can cache content. The private directive indicates that the content of the response is intended only for the end user, the end consumer of the content. So it shouldn’t be cached by middle layers like the CDN.