This directive might be used by a client when an origin server is offline, and HTTP responses that are a little bit old are generally still acceptable.
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The client indicates that an already-cached response should be returned. If a cache has a stored response, even a stale one, it will be returned. If no cached response is available, a 504 Gateway Timeout response will be returned.
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A client sends the only-if-cached directive to HTTP request that any stored HTTP response is expected to be returned.
Это создание гармоничной вдобавок эффективной визуально-коммуникативной среды. Основные продукты:
В дизайне, как как и в других областях, ес множество принципов, которые дают средство навевать полноценные, многосоставные равным образом индивидуальные проекты. Существуют ещё равным образом элементы дизайна.
After the HTTP response is stale, as long as it is within the specified number of seconds that Поставщик экспостандов the server is responding with one of these 5XX error codes, the HTTP response can be reused.
О многообразии определений понятия «дизайн» интересно сказал испанский дизайнер Томас Мальдонадо. Он писал, что в разных философиях дизайна можно увидеть полярные или схожие проявления отношений к миру.
But only max-age=0 could cause a stale response to be reused when caches disconnected from the origin server. must-revalidate addresses that. That's why the example below is equivalent to no-cache.
Note that max-age is not the elapsed time since the response was received; it is the elapsed time аренда выставочных стендов since the response was generated on the origin server.
Making a binary run faster nocache intercepts a bunch of syscalls and does lots of speculative work;
Note: Check the compatibility table for their support; user agents that don't recognize them should ignore them.
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