Txawv browsers sib txawv txwv
Programmers yuav tsum paub txog tias muaj pes tsawg lub ncuav qab zib tuaj yeem siv tau ntawm ib lub vas sab. Cov ncuav qab zib nqa mus rau qhov chaw hauv HTTP dej thaum thau lub vev xaib thiab hauv computer uas nws nce. Feem ntau cov browsers muab tso rau ib qho kev txwv ntawm tus naj npawb ntawm cov ncuav qab zib twg muaj ib tus sau tau teeb. Qhov tsawg tshaj plaws yog tsim los ntawm Txoj Kev Xav rau Lus (RFC) uas tsim los ntawm Internet Engineering Task Force, tab sis browser makers yuav nce tus naj npawb.
Ncuav qab zib muaj ib qhov kev txwv me me , yog li ntawd cov neeg tsim khoom siv qee zaus kuj xa lawv cov ntawv cookie tawm hauv ntau lub ncuav qab zib. Ua li ntawd, lawv nce cov ntaub ntawv ntawm cov khw muag khoom hauv lub khw.
Lub Cim Nplej Ua Kom Tau Li Cas?
RFC 2109 qhia txog kev siv cov ncuav qab zib li cas, thiab nws txhais cov tsawg kawg nkaus uas browsers yuav tsum txhawb. Raws li lub RFC, browsers yuav tsum tsis muaj kev txwv ntawm qhov loj thiab tus naj npawb ntawm cov ncuav qab zib ib tus browser tau kov, tab sis kom tau raws li cov specifications, tus neeg siv kev sib txuas lus yuav tsum txhawb:
- Yam tsawg kawg yog 300 daim ncuav qab zib tag nrho
- Yam tsawg kawg 20 lub ncuav qab zib ib tus tswv los yog tus tswv lub npe
Rau cov tswv yim siv, tus neeg siv kev lag luam hauv internet tsim ib qho kev txwv ntawm tag nrho cov naj npawb ntawm ib lub hauv paus los yog nws tus tswv tsev muaj peev xwm teev tau raws li tag nrho cov naj npawb ntawm lub tshuab.
Thaum Tsim Kho Ib Lub Vev Xaib Nrog Cov Ncuav Qab Zib
Qhov nrov thiab tsawg-paub browsers tag nrho cov kev them nyiaj yug tag nrho cov naj npawb tag nrho ntawm cov ncuav qab zib. Yog li ntawd, cov neeg tsim kev lag luam uas xav tau ntau qhov kev xav yuav tsis txhawj xeeb tias cov ncuav qab zib uas lawv tsim yuav raug muab tshem tawm vim hais tias qhov tsawg tshaj plaws tau txais. Nws tseem yog ib qho ploj, tab sis koj cov kua nplaum uas yuav raug tshem tawm vim cov neeg nyeem tawm lawv lub ncuav qab zib dua li ntawm qhov ntau tshaj plaws ntawm qhov browser.
Tus naj npawb ntawm cov ncuav qab zib twg muaj ib tus sau tau muaj me me. Chrome thiab Safari zoo li pub ntau lub ncuav qab zib ib thaj tsam dua Firefox, Opera los yog Internet Explorer. Ua kom zoo, nws zoo tshaj plaws los lo nrog 30 mus rau 50 qhov ua siab tshaj plaws rau ib thaj tsam.
Kua Cij Me Nyuam Qis Me Ntsis
Lwm cov kev txwv tias qee cov browsers siv yog qhov nyiaj ntawm qhov chaw twg ib tus sau tau siv rau ncuav qab zib. Qhov no txhais tau hais tias yog tias koj tus browser teev ib ntu 4,096 bytes rau ib thaj tsam thiab koj tuaj yeem muab 50 ncuav qab zib, tag nrho qhov chaw ntawm cov 50 lub ncuav qab zib siv tau yog 4,096 bytes-txog 4KB. Qee cov browsers tsis tsim ib qhov kev txwv loj. Piv txwv li:
- Chrome twb tsis muaj kev txwv ntawm qhov ntau tshaj bytes rau ib thaj chaw
- Firefox tsis muaj kev txwv ntawm qhov ntau tshaj bytes rau ib thaj tsam
- Internet Explorer pub ntawm 4,096 thiab 10,234 bytes
- Opera tso cai rau 4,096 bytes
- Safari pub 4,096 bytes
Kua nplaum me me koj yuav tsum ua raws li
Yuav tsum tau tshaj li qhov ntau yam ntawm cov browsers, tsim tsis muaj ntau tshaj 30 lub ncuav qab zib rau ib qho thiab ua kom txhua lub ncuav qab zib noj tsis tshaj li 4KB ntawm qhov chaw tag nrho.