What is the difference between Cache-Control and Pragma headers?
An example of an AI chatbot conversation about Cache-Control and Pragma HTTP headers.
What is the difference between Cache-Control and Pragma headers?
Cache-Control is a more modern HTTP header used to specify caching policies, while Pragma is an older header primarily for backward compatibility.
Can you give me examples of how to use these headers?
Sure! For Cache-Control, you might use 'Cache-Control: no-cache' to prevent caching. For Pragma, you can use 'Pragma: no-cache' for similar purposes.
Are there any scenarios where I should prefer one over the other?
Yes, prefer Cache-Control for modern applications as it's more flexible and widely supported. Use Pragma mainly for legacy support.
What happens if I use both headers?
Using both can lead to confusion, but generally, Cache-Control will take precedence over Pragma if both are present.
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