What are caching headers and how do they work?
Caching headers are HTTP headers that control how and for how long web browsers and servers cache content. They help improve load times and reduce server load.
Can you explain the different types of caching headers?
Sure! The main types include Cache-Control, Expires, ETag, and Last-Modified. Each serves a specific purpose in managing cache behavior.
How does the Cache-Control header differ from Expires?
Cache-Control provides more granular control over caching policies, while Expires specifies a fixed date and time after which the content is considered stale.
What happens if I don't set any caching headers?
If no caching headers are set, browsers may use their default caching behavior, which can lead to slower load times and increased server requests.
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