What is an ETag?
An example of an AI chatbot conversation about ETags in web development.
What is an ETag?
An ETag, or Entity Tag, is a unique identifier assigned to a specific version of a resource in web development.
How does it work in HTTP?
ETags are used in HTTP headers to determine if a resource has changed. If the ETag matches, the resource hasn't changed.
Why is it important for caching?
ETags help optimize caching by allowing browsers to cache resources and only request them again if they have changed.
Can you give me an example of how to use ETags?
Sure! When a server responds to a request, it includes an ETag in the response header. The client can then use this ETag in subsequent requests.
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