What are ETags in REST APIs?
An example of an AI chatbot conversation about ETags in REST APIs.
What are ETags in REST APIs?
ETags, or Entity Tags, are HTTP headers used for web cache validation and conditional requests.
How do ETags improve performance?
ETags help reduce bandwidth by allowing clients to cache responses and only request updates when the resource changes.
Can you give an example of how to use ETags?
Sure! When a client requests a resource, the server sends an ETag header. The client can then use this ETag in subsequent requests to check if the resource has changed.
What happens if the ETag doesn't match?
If the ETag doesn't match, the server responds with the updated resource, allowing the client to refresh its cache.
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