What does the Cache-Control header in http mean?
The Cache-Control HTTP header holds directives (instructions) for caching in both requests and responses. A given directive in a request does not mean the same directive should be in the response. Caching directives have the following rules to be valid: Case-insensitive, but lowercase is recommended.
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.
What does no cache and must revalidate mean?
no-cache and max-age=0, must-revalidate indicates same meaning. Clients can cache a resource but must revalidate each time before using it. This means HTTP request occurs each time though, it can skip downloading HTTP body if the content is valid.
How to display dynamic content on a page using URL parameters?
In this tutorial, I will show you how to show/hide dynamic content based on URL parameters for any web page. This solution uses HTML, CSS and JavaScript instead of backend coding, so you will be able to use it with Marketo, Pardot, or any other system that allows a bit of custom code.
What do you need to know about cache control?
Cache-Control 1 Syntax. Case-insensitive, but lowercase is recommended. 2 Directives. Directives that define whether a response/request can be cached, where it may be cached, and whether it must be validated with the origin server before caching. 3 Examples. 4 Specifications 5 Browser compatibility.
What does the cache control field in MDN mean?
Jump to: The Cache-Control general-header field is used to specify directives for caching mechanisms in both requests and responses. Caching directives are unidirectional, meaning that a given directive in a request is not implying that the same directive is to be given in the response.
Why does Apache no cache, expire Stack Overflow?
I checked it out and saw I have Django Middleware enabled, thet handled the cache.. I disabled it and now it works.. Sorry.. 🙂 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers.