How do I use ETag in HTTP requests?
An example of an AI chatbot conversation about using ETag in HTTP for caching.
What is an ETag in HTTP?
An ETag, or Entity Tag, is a unique identifier assigned by a web server to a specific version of a resource.
How does ETag help with caching?
ETags allow browsers to cache resources and only request them again if the ETag has changed, reducing bandwidth.
Can you show me an example of how to use ETag in a request?
Sure! You can include the ETag in the If-None-Match header of your HTTP request to check if the resource has changed.
What happens if the ETag matches?
If the ETag matches, the server responds with a 304 Not Modified status, indicating that the cached version is still valid.
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