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Reuse of responses #52

mnot opened this Issue Apr 3, 2018 · 2 comments


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mnot commented Apr 3, 2018

The specification of no-store can be read to allow the response to be reused for another concurrent request, since it's specified in terms of non-volatile memory. Likewise, other cache directives are silent on such reuse.

So-called "request collapsing" has become quite common in proxies, reverse proxies and CDNs. Clarification as to whether such reuse for temporally concurrent requests would be helpful (in the case of no-store and otherwise).

@mnot mnot added the caching label Apr 3, 2018

@mnot mnot added the discuss label Jul 4, 2018


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jyasskin commented Jul 18, 2018

This also seems related to preload and prefetch, which allow the response to be re-used after cache control would say not to re-use it: whatwg/fetch#590 (comment)


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mnot commented Jul 18, 2018

Discussed in Montreal; introduce the concept of a single-use response, and carve out no-store.

@mnot mnot removed the discuss label Jul 25, 2018

@mnot mnot added the has-proposal label Oct 9, 2018

mnot added a commit that referenced this issue Oct 9, 2018

@mnot mnot closed this in #150 Oct 16, 2018

mnot added a commit that referenced this issue Oct 16, 2018

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