Video: Max hnub nyoog yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
max - hnub nyoog . Cov max - hnub nyoog directive hais tias siab kawg tus nqi ntawm lub sijhawm hauv vib nas this uas tau txais cov lus teb raug tso cai siv dua (los ntawm lub sijhawm thaum thov). Piv txwv li, max - hnub nyoog = 90 qhia tias cov cuab yeej cuab tam tuaj yeem rov qab siv tau (tseem nyob hauv browser cache) rau 90 vib nas this tom ntej.
Ib sab ntawm no, Cache Control max hnub nyoog yog dab tsi?
Cache - Tswj max - hnub nyoog Cov lus qhia no qhia rau tus browser lossis tus neeg nruab nrab cache ntev npaum li cas cov lus teb tuaj yeem siv los ntawm lub sijhawm nws tau thov. A max - hnub nyoog ntawm 3600 txhais tau hais tias cov lus teb tuaj yeem siv rau 60 feeb tom ntej ua ntej nws yuav tsum tau nqa cov lus teb tshiab los ntawm lub hauv paus server.
Ib tug kuj yuav nug, dab tsi yog tsis muaj cache? Raws li kuv paub, tsis muaj - khw txhais tau tias tsis muaj cache ntaus ntawv tso cai rau cache ntawd teb. Nyob rau hauv lwm yam lus, tsis muaj - cache txhais tau tias tsis muaj cache ntaus ntawv raug tso cai los pab a cached teb tsis muaj validate nws ua ntej nrog lub hauv paus.
Kuj kom paub, cache tswj ua dab tsi?
Cache - tswj yog ib HTTP taub hau siv los qhia qhov browser caching cov cai nyob rau hauv ob qho tib si neeg thov thiab cov lus teb rau cov neeg rau zaub mov. Txoj cai muaj xws li cov peev txheej li cas yog cached, qhov twg nws yog cached thiab nws lub hnub nyoog siab tshaj plaws ua ntej tas sij hawm (piv txwv li, lub sijhawm nyob).
Lub cache khaws cia ntev npaum li cas?
Kev txiav txim siab Cache-Control txoj cai teb yuav raug cached los ntawm browser thiab ib qho nruab nrab caches (uas yog, nws yog "public") txog li. 1 hnub ( 60 vib nas this x 60 feeb x 24 teev ). Teb tuaj yeem cached los ntawm tus neeg siv lub browser tsuas yog mus txog 10 feeb ( 60 vib nas this x 10 feeb ).
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