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.When a user reloads the browser, the browser will send conditional requests for validating to the origin server. But it's not necessary to revalidate those kinds of static resources even when a user … Read More

?? ????? ??????? ???????? ? ??, ??? ????? ???? ???????? ??? ??????????????? ??????, ???????? ???????????????? ????????? ????? — ???????? ??? ? ????????? ????????????.A server sends the no-transform directive to ensure that intermediaries do not manipulate the HTTP response before it is forwarded to the client, regardless of whether it is ca… Read More

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???????? ??????????????? ? ??????. ????? ???????? ?????. ???????????? ??????? ??? ???????????. ???????? ?????? ????????? ??? ??? ???????????? ??????????? ?????I’m recommend it!Did a pretty good job on my design,there were some problems but everything was resolved very quickly and masters!?? «??????????» ?????????? ?????? ??? ??????????? ???????… Read More

????? ?? ?????? ??????? ?? ???? ?? ??????????? ?????????.? ???? ?????? ?? ????????? ???? ????? ??????? ?? ???????????. ?????????? ???????? ?????? ???? ??? ??????? ?????.??????? ? ???? ??? — ???? ?? ??????? ??????? ?? ???????????? ??????? ?????? ??????? ????????. ???????? ??? ??????? ?????? ????????????-??????, ???? ?????????? ?? ???????? ????????… Read More